fix(instance-about): fix menu item icons being not colored correctly

mastodon/src/main/java/org/joinmastodon/android/fragments/InstanceInfoFragment.java

@@ -366,6 +366,11 @@ public class InstanceInfoFragment extends LoaderFragment {
 		}
 	}
 
+	@Override
+	protected boolean wantsToolbarMenuIconsTinted() {
+		return false;
+	}
+
 	@Override
 	public boolean onOptionsItemSelected(MenuItem item){
 		int id=item.getItemId();