feat: allow copy app version and source code url (#216)

Reviewed-on: https://gitea.angry.im/PeterCxy/OpenEUICC/pulls/216
Co-authored-by: septs <github@septs.pw>
Co-committed-by: septs <github@septs.pw>

app-common/src/main/res/xml/pref_settings.xml

@@ -96,12 +96,14 @@
         <Preference
             app:iconSpaceReserved="false"
             app:title="@string/pref_info_app_version"
+            app:enableCopying="true"
             app:key="pref_info_app_version" />
 
         <Preference
             app:iconSpaceReserved="false"
             app:title="@string/pref_info_source_code"
             app:summary="@string/pref_info_source_code_url"
+            app:enableCopying="true"
             app:key="pref_info_source_code">
             <intent
                 android:action="android.intent.action.VIEW"