Move settings into a modal

[GretaD]

WIP

[GretaD]

calendar doesnt have a navigation or sidebar component, so need to find a way where to add this

[codecov]

Codecov Report

Merging #3041 (563a152) into master (243f995) will decrease coverage by 0.03%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##             master    #3041      +/-   ##
============================================
- Coverage     29.18%   29.15%   -0.04%     
  Complexity      116      116              
============================================
  Files           155      155              
  Lines          5561     5567       +6     
  Branches        822      822              
============================================
  Hits           1623     1623              
- Misses         3938     3944       +6     

Flag	Coverage Δ	Complexity Δ
javascript	23.82% <0.00%> (-0.03%)	0.00 <0.00> (ø)
php	94.29% <ø> (ø)	116.00 <ø> (ø)

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Impacted Files	Coverage Δ	Complexity Δ
src/components/AppNavigation/Settings.vue	0.00% <0.00%> (ø)	0.00 <0.00> (ø)

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[tcitworld]

#2304

[GretaD]

this is a very old ticket that i dont have the time to work on it now. I am closing it just to make sure that if somebody wants to help they can. And if we decide to prioritize it on our Groupware roadmap, would be happy to have another look.