feat: reorganize room edit dialog and fix Force Sync button

- Move WebHook configuration from General to dedicated WebHook tab
- Add WebHook tab after Share tab in room edit dialog
- Fix Force Sync button not appearing by adding missing isEditing prop
- Fix indentation issues in MeetingSelection component

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

www/app/(app)/rooms/page.tsx

@@ -448,7 +448,7 @@ export default function RoomsList() {
                   <Tabs.Trigger value="general">General</Tabs.Trigger>
                   <Tabs.Trigger value="calendar">Calendar</Tabs.Trigger>
                   <Tabs.Trigger value="share">Share</Tabs.Trigger>
-                  <Tabs.Trigger value="webhook">Webhook</Tabs.Trigger>
+                  <Tabs.Trigger value="webhook">WebHook</Tabs.Trigger>
                 </Tabs.List>
 
                 <Tabs.Content value="general" pt={6}>