Backport: Wrong behaviour on privacy tab

[AndyScherzinger]

Backport of #2727 for #2721

[codecov]

Codecov Report

Merging #2743 into stable-3.2.x will increase coverage by 0.02%.
The diff coverage is 0%.

@@               Coverage Diff               @@
##           stable-3.2.x   #2743      +/-   ##
===============================================
+ Coverage           6.5%   6.53%   +0.02%     
===============================================
  Files               285     283       -2     
  Lines             28946   28864      -82     
  Branches           4216    4201      -15     
===============================================
+ Hits               1884    1887       +3     
+ Misses            26776   26693      -83     
+ Partials            286     284       -2

Impacted Files	Coverage Δ
...cloud/android/ui/activity/ExternalSiteWebView.java	0% <0%> (ø)	⬆️
...ndroid/providers/UsersAndGroupsSearchProvider.java	16.66% <0%> (-0.36%)	⬇️
...id/operations/UpdateSharePermissionsOperation.java	0% <0%> (ø)	⬆️
...cloud/android/ui/helpers/FileOperationsHelper.java	0% <0%> (ø)	⬆️
...cloud/android/ui/activity/FileDisplayActivity.java	0% <0%> (ø)	⬆️
...fragment/util/FileDetailSharingFragmentHelper.java	0% <0%> (ø)	⬆️
...in/java/com/owncloud/android/utils/ThemeUtils.java	0% <0%> (ø)	⬆️
...m/owncloud/android/ui/adapter/UserListAdapter.java	0% <0%> (ø)	⬆️
...android/ui/fragment/FileDetailSharingFragment.java	0% <0%> (ø)	⬆️
...d/android/ui/activity/CopyToClipboardActivity.java	0% <0%> (ø)	⬆️
... and 9 more

[tobiasKaminsky]

👍