make text-menu items not all-caps

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

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

@@ -37,6 +37,7 @@
         <item name="android:popupMenuStyle">@style/appActionBarPopupMenu</item>
         <item name="actionOverflowMenuStyle">@style/appActionBarPopupMenu</item>
         <item name="actionBarPopupTheme">@style/appActionBarPopupMenu</item>
+        <item name="android:actionMenuTextAppearance">@style/menuTextAppearance</item>
         <item name="searchViewStyle">@style/SearchView</item>
         <item name="android:navigationBarColor">@color/bg_default</item>
     </style>
@@ -72,6 +73,10 @@
         <item name="iconTint">@color/fontAppbar</item>
     </style>
 
+    <style name="menuTextAppearance" parent="TextAppearance.AppCompat.Widget.ActionBar.Menu">
+        <item name="android:textAllCaps">false</item>
+    </style>
+
     <style name="SearchView" parent="Widget.AppCompat.SearchView">
         <!-- Close button icon -->
         <item name="closeIcon">@drawable/ic_close_search</item>