fix: error handling for exceptions for recurrence next

[kesselb]

Companion for nextcloud/server#40301

Handle exceptions that may happen when resolving recurrence next to an actual recurrence id.

Before	After

How to test

• You need an invalid object id and recurrence next to trigger the state.
• Have the activity app
• Create an event
• Patch apps/dav/lib/CalDAV/Activity/Provider/Event.php with the patch below
• Open activity
• Click on calendar event
• Without the patch: Endless loading animation

Patch

Index: apps/dav/lib/CalDAV/Activity/Provider/Event.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
diff --git a/apps/dav/lib/CalDAV/Activity/Provider/Event.php b/apps/dav/lib/CalDAV/Activity/Provider/Event.php
--- a/apps/dav/lib/CalDAV/Activity/Provider/Event.php	(revision 2bd0f07e5a1bb1a83ec3b1c86c1a1271dcdad9e3)
+++ b/apps/dav/lib/CalDAV/Activity/Provider/Event.php	(date 1695136734933)
@@ -97,7 +97,7 @@
 				// The calendar app needs to be manually loaded for the routes to be loaded
 				OC_App::loadApp('calendar');
 				$linkData = $eventData['link'];
-				$objectId = base64_encode($this->url->getWebroot() . '/remote.php/dav/calendars/' . $linkData['owner'] . '/' . $linkData['calendar_uri'] . '/' . $linkData['object_uri']);
+				$objectId = base64_encode('blub' . '/remote.php/dav/calendars/' . $linkData['owner'] . '/' . $linkData['calendar_uri'] . '/' . $linkData['object_uri']);
 				$link = [
 					'view' => 'dayGridMonth',
 					'timeRange' => 'now',

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.02% ⚠️

Comparison is base (4d3172f) 22.61% compared to head (cc02049) 22.59%.
Report is 5 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #5483      +/-   ##
============================================
- Coverage     22.61%   22.59%   -0.02%     
  Complexity      395      395              
============================================
  Files           241      241              
  Lines         11848    11854       +6     
  Branches       2306     2306              
============================================
  Hits           2679     2679              
- Misses         9169     9175       +6     

Flag	Coverage Δ
javascript	13.81% <0.00%> (-0.01%)	⬇️
php	64.26% <ø> (ø)

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Files Changed	Coverage Δ
src/mixins/EditorMixin.js	3.47% <0.00%> (-0.07%)	⬇️

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