Replace native dialogs with app modals for Events link and unlink.

Link opens an in-page modal on conference and webinar show pages; unlink uses the shared confirm-dialog component.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Http/Controllers/Meet/Concerns/ResolvesEventsLinkContext.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Http\Controllers\Meet\Concerns;
+
+use App\Models\Room;
+use App\Services\Integrations\EventsLinkService;
+use App\Services\Meet\MeetPermissions;
+use App\Support\EventsSourceLink;
+use Illuminate\Http\Request;
+
+trait ResolvesEventsLinkContext
+{
+    /** @return array{canManageEvents: bool, linkableEvents: list<array<string, mixed>>} */
+    protected function eventsLinkContext(Request $request, Room $room): array
+    {
+        $canManageEvents = app(MeetPermissions::class)->can($this->member($request), 'meetings.manage');
+
+        $linkableEvents = $canManageEvents && ! EventsSourceLink::isLinked($room)
+            ? app(EventsLinkService::class)->linkableEvents($request->user())
+            : [];
+
+        return compact('canManageEvents', 'linkableEvents');
+    }
+}