Alerting: Allow alert rule pausing from API (#62326)

* Add is_paused attr to the POST alert rule group endpoint

* Add is_paused to alerting API POST alert rule group

* Fixed tests

* Add is_paused to alerting gettable endpoints

* Fix integration tests

* Alerting: allow to pause existing rules (#62401)

* Display Pause Rule switch in Editing Rule form

* add isPaused property to form interface and dto

* map isPaused prop with is_paused value from DTO

Also update test snapshots

* Append '(Paused)' text on alert list state column when appropriate

* Change Switch styles according to discussion with UX

Also adding a tooltip with info what this means

* Adjust styles

* Fix alignment and isPaused type definition

Co-authored-by: gillesdemey <gilles.de.mey@gmail.com>

* Fix test

* Fix test

* Fix RuleList test

---------

Co-authored-by: gillesdemey <gilles.de.mey@gmail.com>

* wip

* Fix tests and add comments to clarify AlertRuleWithOptionals

* Fix one more test

* Fix tests

* Fix typo in comment

* Fix alert rule(s) cannot be paused via API

* Add integration tests for alerting api pausing flow

* Remove duplicated integration test

---------

Co-authored-by: Virginia Cepeda <virginia.cepeda@grafana.com>
Co-authored-by: gillesdemey <gilles.de.mey@gmail.com>
Co-authored-by: George Robinson <george.robinson@grafana.com>

pkg/services/ngalert/api/api_ruler.go

@@ -324,7 +324,7 @@ func (srv RulerSrv) RoutePostNameRulesConfig(c *contextmodel.ReqContext, ruleGro
 
 // updateAlertRulesInGroup calculates changes (rules to add,update,delete), verifies that the user is authorized to do the calculated changes and updates database.
 // All operations are performed in a single transaction
-func (srv RulerSrv) updateAlertRulesInGroup(c *contextmodel.ReqContext, groupKey ngmodels.AlertRuleGroupKey, rules []*ngmodels.AlertRule) response.Response {
+func (srv RulerSrv) updateAlertRulesInGroup(c *contextmodel.ReqContext, groupKey ngmodels.AlertRuleGroupKey, rules []*ngmodels.AlertRuleWithOptionals) response.Response {
 	var finalChanges *store.GroupDelta
 	hasAccess := accesscontrol.HasAccess(srv.ac, c)
 	err := srv.xactManager.InTransaction(c.Req.Context(), func(tranCtx context.Context) error {
@@ -482,6 +482,7 @@ func toGettableExtendedRuleNode(r ngmodels.AlertRule, namespaceID int64, provena
 			NoDataState:     apimodels.NoDataState(r.NoDataState),
 			ExecErrState:    apimodels.ExecutionErrorState(r.ExecErrState),
 			Provenance:      provenance,
+			IsPaused:        r.IsPaused,
 		},
 	}
 	forDuration := model.Duration(r.For)