base url shall never be null

[tobiasKaminsky]

No description provided.

[github-actions]

SpotBugs

Category	Base	New
Bad practice	35	35
Correctness	34	34
Dodgy code	26	26
Internationalization	6	6
Malicious code vulnerability	49	49
Multithreaded correctness	3	3
Performance	8	8
Total	161	161

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 49.16%. Comparing base (0c3c568) to head (76a860b).

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1485      +/-   ##
============================================
- Coverage     49.20%   49.16%   -0.04%     
+ Complexity     1001      998       -3     
============================================
  Files           208      208              
  Lines          7819     7815       -4     
  Branches       1017     1017              
============================================
- Hits           3847     3842       -5     
- Misses         3419     3420       +1     
  Partials        553      553              

Files	Coverage Δ
.../java/com/nextcloud/common/NextcloudUriDelegate.kt	87.50% <100.00%> (+4.16%)	⬆️

... and 1 file with indirect coverage changes