SF-3893 Prevent stale offline snapshots from corrupting live query results

[Nateowami]

Deliberately marked as a draft. Opening this for the sake of testing whether this fixes issue reported in Jira.

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This change is 

[codecov]

Codecov Report

❌ Patch coverage is 90.47619% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 81.08%. Comparing base (d12160f) to head (7cf80e6).
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...ientApp/src/xforge-common/models/realtime-query.ts	89.36%	5 Missing ⚠️
.../src/xforge-common/memory-realtime-remote-store.ts	88.46%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4039      +/-   ##
==========================================
+ Coverage   81.07%   81.08%   +0.01%     
==========================================
  Files         660      660              
  Lines       43037    43101      +64     
  Branches     7057     7069      +12     
==========================================
+ Hits        34891    34950      +59     
- Misses       6974     6978       +4     
- Partials     1172     1173       +1     

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