fix: update .gitignore to ignore all deployment target files (#222)

Reviewed-on: PeterCxy/OpenEUICC#222
Co-authored-by: septs <github@septs.pw>
Co-committed-by: septs <github@septs.pw>

.idea/.gitignore

@@ -2,7 +2,7 @@
 /caches
 /libraries
 /assetWizardSettings.xml
-/deploymentTargetDropDown.xml
+/deploymentTarget*.xml
 /gradle.xml
 /misc.xml
 /modules.xml

.idea/deploymentTargetSelector.xml

@@ -1,37 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="deploymentTargetSelector">
-    <selectionStates>
-      <SelectionState runConfigName="app-unpriv">
-        <option name="selectionMode" value="DROPDOWN" />
-      </SelectionState>
-      <SelectionState runConfigName="app">
-        <option name="selectionMode" value="DROPDOWN" />
-      </SelectionState>
-      <SelectionState runConfigName="app-unpriv.androidTest">
-        <option name="selectionMode" value="DROPDOWN" />
-      </SelectionState>
-      <SelectionState runConfigName="app-unpriv.main">
-        <option name="selectionMode" value="DROPDOWN" />
-      </SelectionState>
-      <SelectionState runConfigName="app-unpriv.unitTest">
-        <option name="selectionMode" value="DROPDOWN" />
-      </SelectionState>
-      <SelectionState runConfigName="app.unitTest">
-        <option name="selectionMode" value="DROPDOWN" />
-      </SelectionState>
-      <SelectionState runConfigName="app.androidTest">
-        <option name="selectionMode" value="DROPDOWN" />
-      </SelectionState>
-      <SelectionState runConfigName="app.main">
-        <option name="selectionMode" value="DROPDOWN" />
-      </SelectionState>
-      <SelectionState runConfigName="workspace.OpenEUICC.app-unpriv">
-        <option name="selectionMode" value="DROPDOWN" />
-      </SelectionState>
-      <SelectionState runConfigName="workspace.OpenEUICC.app">
-        <option name="selectionMode" value="DROPDOWN" />
-      </SelectionState>
-    </selectionStates>
-  </component>
-</project>

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

@@ -96,6 +96,7 @@
         <Preference
             app:iconSpaceReserved="false"
             app:title="@string/pref_info_app_version"
+            app:enableCopying="true"
             app:key="pref_info_app_version" />
 
         <Preference