Loki: add support for resolution (#36710)

* Add input to specify min step

* Add stepInterval to as input to component

* Add onBlur to Input component

* Loki: add functionality for min step

* Loki: change name on props to step to make it more clear

* Loki: add resolution as a query option

* Loki: Add min,max,exact as step options

* Loki: add functionality for different step modes

* Loki: fix bug where step function isn't working

* Loki: fix bug where exact step isn't working

* Loki: change width of step input field

* Loki: add tests for adjustInterval function

* Loki: add check for max step oprio to make sure it's not below the safe interval

* Loki: fix bug with some tests

* Loki: fix bug with tests

* Explore: add tooltip to loki step function

* Loki: remove resolution as a logs option

* Loki: update snapshots

* Fix failing tests

* Loki: add select component for choosing resolution

* Loki: add functionality for calculating correct interval with resolution applied

* Loki: remove functionality for step mode

* Loki: remove tests for step mode

* Loki: add tooltip to line limit and resolution

* Loki: add backend support for resolution

* Loki: fixed backend bug where resolution was undefined

* Loki: add check for resolution

CHANGELOG.md

@@ -1,12 +1,11 @@
-
 <!-- 8.1.1 START -->
 
 # 8.1.1 (2021-08-09)
 
 ### Bug fixes
 
-* **CloudWatch Logs:** Fix crash when no region is selected. [#37639](https://github.com/grafana/grafana/pull/37639), [@aocenas](https://github.com/aocenas)
-* **Reporting:** Fix timezone parsing for scheduler (enterprise)
+- **CloudWatch Logs:** Fix crash when no region is selected. [#37639](https://github.com/grafana/grafana/pull/37639), [@aocenas](https://github.com/aocenas)
+- **Reporting:** Fix timezone parsing for scheduler (enterprise)
 
 <!-- 8.1.1 END -->
 <!-- 8.1.0 START -->