refactor(protocol): optimize keyForName

[dantaik]

Previously

Function Name	min	avg	median	max	# calls
keyForName	2232	2323	2377	2377	40
proposeBlock	22385	32506	22405	92404	309
proveBlock	55304	65358	55304	131704	309
resolve(string,bool)(address)	4407	4490	4407	10907	629
resolve(uint256,string,bool)(address)	4310	4342	4310	6310	927
verifyBlocks	13575	14588	14293	80372	301

Now

Function Name	min	avg	median	max	# calls
keyForName	1459	1459	1459	1459	40
proposeBlock	21688	31809	21708	91707	309
proveBlock	52241	62295	52241	128641	309
resolve(string,bool)(address)	3571	3654	3571	10071	629
resolve(uint256,string,bool)(address)	3613	3646	3613	5616	927
verifyBlocks	13575	14588	14293	80372	301

[adaki2004]

We need to be sure that off-chain (tests or BE/FE client side typescript) we reconstruct it the same way.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (major_protocol_upgrade_rebase@15523af). Click here to learn what that means.
The diff coverage is n/a.

@@                       Coverage Diff                        @@
##             major_protocol_upgrade_rebase   #13557   +/-   ##
================================================================
  Coverage                                 ?   39.15%           
================================================================
  Files                                    ?      113           
  Lines                                    ?     3445           
  Branches                                 ?      392           
================================================================
  Hits                                     ?     1349           
  Misses                                   ?     2007           
  Partials                                 ?       89           

Flag	Coverage Δ		*Carryforward flag
bridge-ui	94.20% <0.00%> (?)		Carriedforward from 0509218
eventindexer	∅ <0.00%> (?)		Carriedforward from 0509218
protocol	0.00% <0.00%> (?)
relayer	62.42% <0.00%> (?)		Carriedforward from 0509218
ui	100.00% <0.00%> (?)		Carriedforward from 0509218

*This pull request uses carry forward flags. Click here to find out more.

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