Closes the body properly on successful webhooks

this commit also adds a test docker container
for receiving alerting web hook requests

Fix general tab typos

Husky and sasslint fixes

Don't do a full frontend release build in test-frontend

Don't do a full frontend release build in test-frontend job, added typescheck (tsc noEmit) instead, fixes #14639

Fixed dashboard links not updating after variable or time range change

Increased margin between controls in logs panel

Add support for InfluxDB's time zone clause

Update/Improve Docs for Auth Proxy Whitelist

Fixed group button tooltip placement from auto to bottom

Loki: fix timestamp field

Co-Authored-By: davkal <david.kaltschmidt@gmail.com>

- timestamp was renamed to `ts` in grafana/loki#152
- renamed here in result transformer and tests

Explore: Split logging query into selector and search

Fixed panel height & scroll issue with flexbox in firefox,