perf(bundles): refactor @nextcloud/vue imports to use the esm bundle

[st3iny]

Bundle sizes (npm run build):
Before: 8,5M js/calendar-main.js
After: 5,6M js/calendar-main.js

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.01% ⚠️

Comparison is base (7f39c7b) 22.66% compared to head (baeeae2) 22.65%.
Report is 18 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #5412      +/-   ##
============================================
- Coverage     22.66%   22.65%   -0.01%     
- Complexity      372      387      +15     
============================================
  Files           237      240       +3     
  Lines         11725    11825     +100     
  Branches       2282     2302      +20     
============================================
+ Hits           2657     2679      +22     
- Misses         9068     9146      +78     

Flag	Coverage Δ
javascript	13.82% <0.00%> (-0.07%)	⬇️
php	64.88% <ø> (-0.59%)	⬇️

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Files Changed	Coverage Δ
...NavigationHeader/AppNavigationHeaderDatePicker.vue	0.00% <ø> (ø)
...ppNavigationHeader/AppNavigationHeaderNewEvent.vue	0.00% <ø> (ø)
...avigationHeader/AppNavigationHeaderTodayButton.vue	0.00% <ø> (ø)
...ppNavigationHeader/AppNavigationHeaderViewMenu.vue	0.00% <ø> (ø)
...components/AppNavigation/AppointmentConfigList.vue	0.00% <0.00%> (ø)
...ppointmentConfigList/AppointmentConfigListItem.vue	0.00% <0.00%> (ø)
...ts/AppNavigation/CalendarList/CalendarListItem.vue	0.00% <0.00%> (ø)
...nts/AppNavigation/CalendarList/CalendarListNew.vue	0.00% <0.00%> (ø)
...Navigation/CalendarList/PublicCalendarListItem.vue	0.00% <0.00%> (ø)
...components/AppNavigation/CalendarList/Trashbin.vue	0.00% <0.00%> (ø)
... and 61 more

... and 10 files with indirect coverage changes

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[tcitworld]

:feels_good:

[ChristophWurst]

Magnificent