Alerting: support label matcher syntax in alert rule list filter (#36408)

* Add filter parsing to rule list filters

* Add unit tests for label parsing

* Make label operators an enum

* add example for parsing function

* Update labels operator regex

* Add tests to rule list for filtering

* add additional test for testing alert instances filtering

* Use tooltip for query syntax example

* refactor to use Matchers for filtering

* Update docs for label filtering on rules list

* style fixes

packages/grafana-data/src/types/data.ts

@@ -128,7 +128,6 @@ export interface QueryResultBase {
 export interface Labels {
   [key: string]: string;
 }
-
 export interface Column {
   text: string; // For a Column, the 'text' is the field name
   filterable?: boolean;