Fix unable to reopen camera after cancelling picture

[andreia-ferreira]

When trying to complete a photo task, if a user cancels taking the picture and tries to re-open the camera again nothing happens. This is because PhotoTaskViewModel.onCaptureResult was never setting hasLaunchedCamera as false if there was no picture captured, so the app didn't open a new camera intent since the logic determined it was still open. This is incorrect because when onCaptureResult is triggered, it means that the camera is not being used anymore.

This PR applies a small fix by setting hasLaunchedCamera as false regardless of the onCaptureResult value. This was also tested in an emulator to make sure it's properly fixed and without introducing new issues

@shobhitagarwal1612 PTAL?

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 69.95%. Comparing base (68dce1c) to head (0fab969).

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #3427      +/-   ##
============================================
- Coverage     69.96%   69.95%   -0.01%     
  Complexity     1599     1599              
============================================
  Files           319      319              
  Lines          8587     8585       -2     
  Branches        945      945              
============================================
- Hits           6008     6006       -2     
  Misses         2005     2005              
  Partials        574      574              

Files with missing lines	Coverage Δ
...i/datacollection/tasks/photo/PhotoTaskViewModel.kt	90.62% <100.00%> (-0.56%)	⬇️

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