Theming: Fix date picker button text colour

[dan0xii]

Fixes #4783.

[nextcloud-android-bot]

APK file: https://www.kaminsky.me/nc-dev/android-artifacts/11530.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

304

Lint

Type	master	PR
Warnings	59	59
Errors	0	0

SpotBugs (new)

Warning Type	Number
Bad practice Warnings	26
Correctness Warnings	69
Internationalization Warnings	13
Malicious code vulnerability Warnings	5
Multithreaded correctness Warnings	9
Performance Warnings	119
Security Warnings	44
Dodgy code Warnings	138
Total	423

SpotBugs (master)

Warning Type	Number
Bad practice Warnings	26
Correctness Warnings	69
Internationalization Warnings	13
Malicious code vulnerability Warnings	5
Multithreaded correctness Warnings	9
Performance Warnings	119
Security Warnings	44
Dodgy code Warnings	138
Total	423

[codecov]

Codecov Report

Merging #4796 into master will increase coverage by 0.01%.
The diff coverage is 0%.

@@             Coverage Diff              @@
##             master    #4796      +/-   ##
============================================
+ Coverage     17.48%   17.49%   +0.01%     
  Complexity        3        3              
============================================
  Files           376      376              
  Lines         32385    32385              
  Branches       4569     4569              
============================================
+ Hits           5661     5666       +5     
+ Misses        25813    25800      -13     
- Partials        911      919       +8

Impacted Files	Coverage Δ	Complexity Δ
.../ui/dialog/ExpirationDatePickerDialogFragment.java	0% <0%> (ø)	0 <0> (ø)	⬇️
...va/com/owncloud/android/ui/SquareLinearLayout.java	0% <0%> (-50%)	0% <0%> (ø)
...owncloud/android/ui/adapter/OCFileListAdapter.java	29% <0%> (-0.77%)	0% <0%> (ø)
...ncloud/android/ui/fragment/OCFileListFragment.java	25.3% <0%> (-0.68%)	0% <0%> (ø)
...oud/android/ui/activity/SyncedFoldersActivity.java	22.22% <0%> (-0.57%)	0% <0%> (ø)
...cloud/android/ui/activity/FileDisplayActivity.java	20.17% <0%> (ø)	0% <0%> (ø)	⬇️
...in/java/com/owncloud/android/utils/ThemeUtils.java	51.57% <0%> (+1.96%)	0% <0%> (ø)	⬇️
...m/owncloud/android/ui/activity/DrawerActivity.java	45.19% <0%> (+2.29%)	0% <0%> (ø)	⬇️