Handle Downloaded File Open Intent

[alperozturk96]

• Tests written, or not not needed

Try to open .xlsx file, it should redirect to an app that can view .xlsx file.

[github-actions]

Codacy

Lint

Type	master	PR
Warnings	54	51
Errors	11	11

SpotBugs

Category	Base	New
Bad practice	65	65
Correctness	58	59
Dodgy code	292	279
Experimental	1	1
Internationalization	7	7
Malicious code vulnerability	1	1
Multithreaded correctness	7	7
Performance	51	47
Security	18	18
Total	500	484

[github-actions]

APK file: https://www.kaminsky.me/nc-dev/android-artifacts/14775.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.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 56 lines in your changes missing coverage. Please review.

Project coverage is 24.48%. Comparing base (dbb3551) to head (01f3088).
Report is 102 commits behind head on master.

Files with missing lines	Patch %	Lines
...cloud/android/ui/helpers/FileOperationsHelper.java	0.00%	55 Missing ⚠️
...in/java/com/owncloud/android/datamodel/OCFile.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master   #14775      +/-   ##
============================================
+ Coverage     24.17%   24.48%   +0.30%     
- Complexity     3327     3405      +78     
============================================
  Files           706      706              
  Lines         51400    52157     +757     
  Branches       6881     7074     +193     
============================================
+ Hits          12428    12769     +341     
- Misses        36988    37375     +387     
- Partials       1984     2013      +29     

Files with missing lines	Coverage Δ
...in/java/com/owncloud/android/datamodel/OCFile.java	81.29% <0.00%> (+0.96%)	⬆️
...cloud/android/ui/helpers/FileOperationsHelper.java	3.95% <0.00%> (+0.01%)	⬆️

... and 23 files with indirect coverage changes

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[tobiasKaminsky]

Smoke test

• download xls/office files
• download other file types

[tobiasKaminsky]

/backport to stable-3.31