GT-1796 Track which tools were added/removed as favorites

[frett]

• track changed fields on the ToolEntity
• support tracking changes to the isFavorite property via pinTool
• don't track changes when initializing favorites
• update unpinTool to track changes

[codecov]

Codecov Report

Merging #3110 (3085d96) into develop (c461929) will increase coverage by 0.06%.
Report is 5 commits behind head on develop.
The diff coverage is 66.66%.

@@             Coverage Diff             @@
##           develop    #3110      +/-   ##
===========================================
+ Coverage    31.29%   31.36%   +0.06%     
===========================================
  Files          421      423       +2     
  Lines        10306    10331      +25     
  Branches      2288     2295       +7     
===========================================
+ Hits          3225     3240      +15     
- Misses        6543     6551       +8     
- Partials       538      540       +2     

Files Changed	Coverage Δ
...tlin/org/cru/godtools/model/ChangeTrackingModel.kt	0.00% <0.00%> (ø)
...del/src/main/kotlin/org/cru/godtools/model/Tool.kt	46.51% <66.66%> (+0.08%)	⬆️
...godtools/db/room/repository/ToolsRoomRepository.kt	87.50% <71.42%> (-5.10%)	⬇️
.../org/cru/godtools/db/repository/ToolsRepository.kt	100.00% <100.00%> (ø)
...n/org/cru/godtools/db/room/GodToolsRoomDatabase.kt	75.00% <100.00%> (ø)
...tlin/org/cru/godtools/db/room/entity/ToolEntity.kt	98.70% <100.00%> (+0.07%)	⬆️
...ru/godtools/db/room/entity/partial/ToolFavorite.kt	100.00% <100.00%> (ø)
...kotlin/org/cru/godtools/init/content/task/Tasks.kt	30.58% <100.00%> (ø)

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