chore(TS): extract caches from HEADER

[ShaMan123]

first merge #8194 and update from master

extracts caches to a dedicated file

we can migrate the objects to Map if we want... Has set get has clear, useful for caches

[github-actions]

Code Coverage Summary

> fabric@5.1.0 coverage:report
> nyc report --reporter=lcov --reporter=text

-----------|---------|----------|---------|---------|-----------------------------------------------
File       | % Stmts | % Branch | % Funcs | % Lines | Uncovered Line #s                             
-----------|---------|----------|---------|---------|-----------------------------------------------
All files  |   82.17 |    74.68 |   84.36 |   80.73 |                                               
 fabric.js |   82.17 |    74.68 |   84.36 |   80.73 | ...-27645,27761-27762,27783-27824,27839-27998 
-----------|---------|----------|---------|---------|-----------------------------------------------

[ShaMan123]

arcToSegmentsCache is unused across fabric...
I guess it was used before...

blame points to #6504
It was lost there. Was it intentional?
Should we cache makePathSimpler which is the only caller instead?

[github-actions]

Coverage after merging ts-cache into master will be

80.83%

Coverage Report

File	Stmts	Branches	Funcs	Lines	Uncovered Lines
dist
fabric.js	79.08%	75.05%	84.70%	80.83%	10047, 10059, 10073, 10102, 10119–10120, 10123, 10132–10133, 10133, 10133–10134, 10136–10138, 10145, 10145, 10145–10147, 10149–10150, 10157–10159, 10186–10188, 10190–10191, 10194–10195, 10266, 10285–10287, 10289–10290, 10352, 10406, 10421, 10477, 10513–10514, 10520, 10524–10525, 10540, 10574, 10605–10606, 10630, 10638, 10725, 10757–10758, 1078, 10833–10834, 10837, 10842, 10864, 10864, 10864, 10864, 10864, 10864, 10864–10865, 10867–10868, 10868, 10868–10869, 10874, 10876, 10882, 10882, 10882, 10882, 10882–10883, 10885–10889, 10889, 10889–10891, 10893–10894, 10903, 10914, 10925, 10936, 10946–10949, 10957–10958, 10958, 10958–10959, 10961–10962, 10969, 10973, 1153, 1155–1156, 11570, 11575, 1158–1159, 11617–11619, 11619, 11619, 11619, 11619, 11619–11620, 11640, 11645–11646, 1166, 11694–11695, 1170, 11709, 11709, 11752, 11752, 11752, 11754, 1178, 11902–11903, 11914, 12071–12072, 12079, 12122, 12129, 12129, 12138–12139, 1214, 12150, 1216, 1216, 1216, 1216, 1216–1217, 12190, 12198, 12217–12219, 12246–12247, 12250, 12250, 12267–12269, 12372, 12457–12458, 12460–12461, 12468, 12492, 12557–12558, 12562, 12642, 12651, 12656, 12693, 12794, 12794, 12794, 12818–12819, 12927, 12930, 12992, 12998, 13005, 13012, 13018, 13024, 13031, 13038, 13044–13045, 13045, 13045, 13060–13061, 13069, 13078, 13078, 13103–13106, 13145, 13188–13189, 13229–13230, 13363–13364, 13509, 13601, 13664, 13667, 13720–13721, 13721, 13721, 13724, 13739, 13753, 13765–13766, 13768, 13780–13781, 13783, 13798, 13813–13814, 13816–13817, 13819–13820, 1383, 1383, 13830, 1385, 13860, 13860, 13860, 13860, 13860, 13860, 13860, 13860, 13885, 13887, 13887–13889, 13942–13944, 13967, 13975, 13981–13982, 14023, 14086–14087, 14121, 14142–14143, 14202, 14202, 14202, 14202, 14202, 14207–14215, 14257, 1435, 14383–14384, 14420, 14429, 14450, 14450, 14450–14451, 14451, 14451, 14451, 14451–14452, 14458–14460, 14463–14464, 14477, 14477, 14477–14478, 14478, 14478, 14478, 14478–14479, 14485–14487, 14490–14491, 14504–14505, 14579, 14628, 14632, 14757, 14787–14788, 14788, 14788–14789, 14789, 14789–14790, 14792, 14792, 14792–14793, 14796, 14803, 14888, 15001, 15050, 15120, 15124, 15194, 15251–15252, 15266, 15316–15317, 15319–15320, 15412, 15472, 15475, 1555, 15550, 15553, 15568–15569, 15578, 15620, 15624, 15649–15650, 15684, 15688, 15954, 15958, 16122, 16125, 16132–16133, 16133, 16133–16135, 16137, 16137, 16137–16139, 16139, 16139–16141, 1616, 16231, 16236–16238, 16266–16267, 16334, 16337, 16337, 16337–16338, 16340–16341, 16341, 16341–16342, 16342, 16342, 16344–16345, 16347, 16350, 16377, 16377–16379, 16428, 16428, 16463, 16498, 16498, 16498, 16501–16502, 16504, 16504, 16508, 16511, 16514, 16516–16517, 16526, 16531, 16531–16533, 16533, 16544–16545, 16554, 16554, 16554, 16554, 16554–16555, 16555, 16555–16557, 16557–16558, 16558, 16575–16576, 16576, 16576, 16598–16599, 16599, 16599, 16599, 16599, 16599, 16611, 16611, 16614–16618, 16618, 16657, 16696, 16728, 16731–16734, 16744, 16757, 16772, 16789, 16798, 16802, 16854, 16856–16858, 16872, 16874–16875, 16891, 16943, 16966, 17099, 17161–17163, 17163–17164, 17164, 17192, 17237–17240, 17247, 17249–17250, 17265–17267, 1727, 17277, 17277, 17277, 1728, 17340, 17352, 17352, 17399–17400, 17418–17419, 17440, 17482, 17482–17483, 17500–17503, 17503, 17503–17504, 17506, 17506, 17506–17507, 17509–17510, 17510, 17510–17511, 17513, 17513, 17513–17514, 17516–17517, 17521–17522, 17569, 176, 17613, 17682, 17687, 17710–17714, 17714, 17714–17715, 17717, 17725, 17728, 17728, 17728–17730, 17730, 17730–17732, 17732, 17732–17736, 17740–17741, 17748, 17748, 17748, 17748, 17748–17749, 17751–17752, 17768–17769, 17771–17772, 17779–17782, 17785, 17788, 17790–17791, 17791, 17791, 17791, 17791, 17791, 17791–17792, 17794, 17796–17797, 17797, 17797–17800, 17802, 17809–17817, 17817, 17817–17819, 17822, 17830–17833, 17839–17840, 17840, 17840–17841, 17843, 17843, 17843–17844, 17846, 17848–17849, 17864, 17866, 17866, 17866–17867, 17869–17870, 17870–17871, 17871, 17877, 17877, 17879, 17879–17880, 17880, 17889–17891, 17891, 17891–17899, 179, 17905, 17905, 17905–17907, 17909, 17915–17916, 17930–17936, 17936, 17936–17937, 17940, 17942, 17954, 17954, 17954–17955, 17958–17960, 17970, 17970, 17970–17972, 17984, 17984, 17984–17985, 17987–17988, 17988, 17988–17989, 17991–17992, 17992, 17992–17995, 17995, 17995–17996, 17998, 17998, 17998–17999, 180, 18002–18003,