Add missing text labels

app/src/main/res/navigation/nav_graph.xml

@@ -84,7 +84,7 @@
     <fragment
         android:id="@+id/itemDetailFragment"
         android:name="rs.chir.invtracker.client.ItemDetailFragment"
-        android:label="fragment_item_detail"
+        android:label="@string/fragment_item_detail"
         tools:layout="@layout/fragment_item_detail">
         <argument
             android:name="id"

app/src/main/res/values-de/strings.xml

@@ -4,6 +4,7 @@
     <string name="action_settings">Einstellungen</string>
     <string name="load_fragment_label">Invtracker</string>
     <string name="nearby_fragment_label">Gegenstandsliste</string>
+    <string name="fragment_item_detail">Objektdetails</string>
     <string name="login_fragment_label">Login</string>
     <string name="map_fragment_label">Karte</string>
     <string name="loading_text">Verbindung mit dem Server aufbauen…</string>

app/src/main/res/values/strings.xml

@@ -84,4 +84,5 @@
     <string name="qr_scan_fragment_label">QR Code Scanner</string>
     <string name="qr_code_fragment">QR Code</string>
     <string name="edit_item_fragment">Edit Item</string>
+    <string name="fragment_item_detail">Item Detail</string>
 </resources>