Fixed bug relative to activities empty icon

[Kilian-Perisset]

It fixes : #4960

[nextcloud-android-bot]

APK file: https://www.kaminsky.me/nc-dev/android-artifacts/11893.apk



To test this change/fix you can simply download above APK file and install and test it in parallel to your existing Nextcloud app.

[nextcloud-android-bot]

Codacy

325

Lint

Type	master	PR
Warnings	59	59
Errors	0	0

SpotBugs (new)

Warning Type	Number
Bad practice Warnings	26
Correctness Warnings	70
Internationalization Warnings	13
Malicious code vulnerability Warnings	5
Multithreaded correctness Warnings	9
Performance Warnings	104
Security Warnings	44
Dodgy code Warnings	136
Total	407

SpotBugs (master)

Warning Type	Number
Bad practice Warnings	26
Correctness Warnings	70
Internationalization Warnings	13
Malicious code vulnerability Warnings	5
Multithreaded correctness Warnings	9
Performance Warnings	104
Security Warnings	44
Dodgy code Warnings	136
Total	407

[codecov]

Codecov Report

Merging #4962 into master will increase coverage by <.01%.
The diff coverage is 0%.

@@             Coverage Diff              @@
##             master    #4962      +/-   ##
============================================
+ Coverage     17.74%   17.75%   +<.01%     
  Complexity        3        3              
============================================
  Files           385      385              
  Lines         32665    32664       -1     
  Branches       4592     4592              
============================================
+ Hits           5797     5798       +1     
+ Misses        25941    25937       -4     
- Partials        927      929       +2

Impacted Files	Coverage Δ	Complexity Δ
...loud/android/ui/activities/ActivitiesActivity.java	0% <0%> (ø)	0 <0> (ø)	⬇️
.../third_parties/daveKoeller/AlphanumComparator.java	82.14% <0%> (-1.2%)	0% <0%> (ø)
...cloud/android/ui/activity/FileDisplayActivity.java	20.12% <0%> (-0.17%)	0% <0%> (ø)
...oud/android/ui/activity/SyncedFoldersActivity.java	25.81% <0%> (ø)	0% <0%> (ø)	⬇️
...in/java/com/owncloud/android/utils/ThemeUtils.java	50.97% <0%> (+1.55%)	0% <0%> (ø)	⬇️

[tobiasKaminsky]

Thank you 🎉

[Kilian-Perisset]

Thanks <3, I close my branch & issue