Move MapConfig and related constants to :core:domain

[shobhitagarwal1612]

Towards #3633

Migrates base map configuration and common domain constants from :app to :core:domain as part of the ongoing KMP migration:

• Moved MapConfig from org.groundplatform.android.ui.common to org.groundplatform.domain.model.map.MapConfig.
• Added property-level KtDocs and default values to MapConfig.
• Relocated domain/map constants (DEFAULT_LOI_ZOOM_LEVEL, CLUSTERING_ZOOM_THRESHOLD, TEXT_DATA_CHAR_LIMIT, DEFAULT_MAP_TYPE, ACCURACY_THRESHOLD_IN_M) from app/common/Constants.kt to org.groundplatform.domain.util.Constants.
• Updated all imports and call sites across fragments, view models, and unit tests in :app.
• Added MapConfigTest in :core:domain:commonTest covering default values, custom overrides, and copy mutations.

@andreia-ferreira PTAL?

[codecov]

Codecov Report

❌ Patch coverage is 33.33333% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 68.98%. Comparing base (14f15ed) to head (0d1395f).

Files with missing lines	Patch %	Lines
.../android/ui/common/AbstractMapContainerFragment.kt	25.00%	3 Missing ⚠️
...kotlin/org/groundplatform/domain/util/Constants.kt	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #3903      +/-   ##
============================================
- Coverage     68.98%   68.98%   -0.01%     
- Complexity     1942     1946       +4     
============================================
  Files           412      413       +1     
  Lines         10963    10964       +1     
  Branches       1429     1429              
============================================
  Hits           7563     7563              
- Misses         2655     2656       +1     
  Partials        745      745              

Files with missing lines	Coverage Δ
...ava/org/groundplatform/android/common/Constants.kt	50.00% <ø> (-16.67%)	⬇️
...oundplatform/android/data/local/LocalValueStore.kt	86.66% <ø> (ø)
...oundplatform/android/ui/common/BaseMapViewModel.kt	63.49% <ø> (ø)
...roid/ui/datacollection/components/TextTaskInput.kt	77.27% <ø> (ø)
...ui/datacollection/tasks/AbstractTaskMapFragment.kt	60.27% <ø> (ø)
...n/tasks/location/CaptureLocationTaskMapFragment.kt	0.00% <ø> (ø)
...ion/tasks/location/CaptureLocationTaskViewModel.kt	93.47% <ø> (ø)
...ion/tasks/multiplechoice/MultipleChoiceItemView.kt	50.66% <ø> (ø)
...asks/multiplechoice/MultipleChoiceTaskViewModel.kt	80.32% <ø> (ø)
.../ui/datacollection/tasks/text/TextTaskViewModel.kt	75.00% <ø> (ø)
... and 7 more

... and 1 file with indirect coverage changes

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