feat: add ShareRoomPicker component for selecting rooms to share Android content

- Implemented ShareRoomPicker component to allow users to pick a room for sharing content received from Android intents.
- Integrated search functionality to filter rooms and directs.
- Added virtualized list for efficient rendering of room options.
- Created utility functions for handling Android share payloads, including fetching and clearing pending shares.

Co-authored-by: Copilot <copilot@github.com>

android/app/src/main/AndroidManifest.xml

@@ -22,6 +22,24 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
 
+            <intent-filter>
+                <action android:name="android.intent.action.SEND" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="text/*" />
+            </intent-filter>
+
+            <intent-filter>
+                <action android:name="android.intent.action.SEND" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="*/*" />
+            </intent-filter>
+
+            <intent-filter>
+                <action android:name="android.intent.action.SEND_MULTIPLE" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="*/*" />
+            </intent-filter>
+
         </activity>
 
         <provider