- fix wrong tinted button on upload file within collabora

- do not show FAB in this file picker dialog

Signed-off-by: tobiasKaminsky <tobias@kaminsky.me>

scripts/analysis/lint-results.txt

@@ -1,2 +1,2 @@
 DO NOT TOUCH; GENERATED BY DRONE
-      <span class="mdl-layout-title">Lint Report: 58 warnings</span>
+      <span class="mdl-layout-title">Lint Report: 59 warnings</span>

src/main/java/com/owncloud/android/ui/fragment/OCFileListFragment.java

@@ -914,7 +914,6 @@ public class OCFileListFragment extends ExtendedListFragment implements
                     } else {
                         // update state and view of this fragment
                         searchFragment = false;
-                        mHideFab = false;
                         listDirectory(file, MainApp.isOnlyOnDevice(), false);
                         // then, notify parent activity to let it update its state and view
                         mContainerActivity.onBrowsedDownTo(file);