chore: migrate flutter 3.19

android/app/src/main/AndroidManifest.xml

@@ -10,12 +10,14 @@
 
     <application
         android:label="ServerBox"
+        android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher"
         android:allowBackup="true"
         android:hasFragileUserData="true"
         android:restoreAnyVersion="true">
         <activity
             android:name=".MainActivity"
+            android:exported="true"
             android:launchMode="singleTop"
             android:theme="@style/LaunchTheme"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
@@ -66,4 +68,15 @@
 
         <service android:name=".KeepAliveService"/>
     </application>
+    <!-- Required to query activities that can process text, see:
+         https://developer.android.com/training/package-visibility?hl=en and
+         https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
+
+         In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->
+    <queries>
+        <intent>
+            <action android:name="android.intent.action.PROCESS_TEXT"/>
+            <data android:mimeType="text/plain"/>
+        </intent>
+    </queries>
 </manifest>