Enabled the feature flag for the mitigate pain of dots and dollars project.
See the syntax and scope documents for the changes this flag guarded: https://docs.google.com/document/d/1FXsICP--WHcPFHUZtR-2PAqkFjWyRu1ymXcpGQo6fHM/edit#heading=h.wtq2vbtosuas
Enable the feature flag for this project
Add tests for dots and dollars
Test dots and dollars in Compass and figure out what breaks
Test dots and dollars in VS Code see if anything breaks
Enable feature flag for Mitigate pain of using field names with dots and dollars
Investigate changes in SERVER-49117: Remove validation for storage of documents with fieldnames containing '.' and '$' for insert and update