Fixed the toolbarSearchTheme

The toolbarSearchTheme was accidently broken with https://github.com/TeamNewPipe/NewPipe/pull/6456, see https://github.com/TeamNewPipe/NewPipe/pull/6456#issuecomment-885920235 for details.
This commit restores the old behavior

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

@@ -97,6 +97,8 @@
     </style>
 
     <style name="ToolbarSearchInputTheme">
+        <item name="colorPrimary">?attr/toolbarSearchColor</item>
+        <item name="colorPrimaryDark">?attr/toolbarSearchColor</item>
         <item name="colorAccent">?attr/toolbarSearchColor</item>
     </style>