Fixes:
- [core] Always read session store from primary
- [core] Configuration for shard database connection
- [core] Fixes for Graph notes user messages
- [core] Fixes for null_id fixing script
- [core] Signature consistency for countly-request
- [core] Store last time merge happened
- [data-masking]Try-catch on data masking setting check.
- [reports] Bugfix for Email reports timing out
- [rights] Optimize dbLoadEventsData
- [star-rating] Enable email search for feedback
Enterprise Fixes:
- [drill] Nullcheck in cohorts on user merge
- [performance-monitoring] Error while redirecting to "../performance-monitoring/all-issues"
- [block] check for crashes in filtering rules
- [ab-testing] Add indexes for ab-testing queries
- [flows] Included custom user properties in filtering rules
- [drill] Make drill graphs and tables correct for byval queries if there are null and '0' keys.