Fix crash on SubmitDataUseCase

[andreia-ferreira]

Fixes #3882

The crash could be reproduced by doing the following:

1. Start collecting data and past a draw area/drop pin task
2. Put the app on background
3. Simulate destroying the background process by executing either adb shell am kill org.groundplatform.android or having developer options 'no background processes'
4. Go back to the app and complete data collection
5. The app would crash when reaching the end of data collection

This was because, when the OS kills the app in the background, the data collection screen is recreated at the task the user was in, but with none of the data collected recovered, which caused the crash mentioning the AddLoi task was missing, and previous answers were also silently missing. The only draft recovery path was when the activity would be recreated and the home screen carried the data in nav arguments.

This PR does the following changes:

• DataCollectionInitializer now restores draft data so that the screen recovers correctly regardless of how it was opened
• TaskSequenceHandler makes it impossible for a task sequence to resume past a mandatory task that the user hasn't answered to avoid cases where data is silently missing

Before:

Screen_recording_20260814_160426.webm

After:

Screen_recording_20260814_160539.webm

@shobhitagarwal1612 PTAL?

[codecov]

Codecov Report

❌ Patch coverage is 88.52459% with 7 lines in your changes missing coverage. Please review.
✅ Project coverage is 68.69%. Comparing base (85b7a02) to head (0221d10).

Files with missing lines	Patch %	Lines
...oid/ui/datacollection/DataCollectionInitializer.kt	86.95%	1 Missing and 2 partials ⚠️
...undplatform/android/ui/home/HomeScreenViewModel.kt	0.00%	1 Missing and 1 partial ⚠️
...latform/android/repository/SubmissionRepository.kt	90.00%	0 Missing and 1 partial ⚠️
...m/android/ui/datacollection/TaskSequenceHandler.kt	87.50%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #3885      +/-   ##
============================================
+ Coverage     68.55%   68.69%   +0.14%     
- Complexity     1911     1927      +16     
============================================
  Files           412      412              
  Lines         10968    10968              
  Branches       1432     1432              
============================================
+ Hits           7519     7535      +16     
+ Misses         2701     2685      -16     
  Partials        748      748              

Files with missing lines	Coverage Δ
...droid/ui/datacollection/DataCollectionViewModel.kt	81.17% <100.00%> (+1.65%)	⬆️
...oundplatform/android/ui/home/HomeScreenFragment.kt	73.91% <ø> (+2.33%)	⬆️
...ome/mapcontainer/HomeScreenMapContainerFragment.kt	38.88% <ø> (+2.43%)	⬆️
...latform/android/repository/SubmissionRepository.kt	98.00% <90.00%> (-2.00%)	⬇️
...m/android/ui/datacollection/TaskSequenceHandler.kt	98.27% <87.50%> (-1.73%)	⬇️
...undplatform/android/ui/home/HomeScreenViewModel.kt	77.55% <0.00%> (+3.86%)	⬆️
...oid/ui/datacollection/DataCollectionInitializer.kt	61.64% <86.95%> (+6.80%)	⬆️

... and 2 files with indirect coverage changes

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