Correlations: Create paginated API (#65241)

* Add pagination params and apply to sql

* Create getCorrelationsResponse that returns metadata

* Set up pagination, change correlations fetch to only get source datasource correlations

* Move correlations from root to pane, only fetch correlations for one datasource when initialized or datasource is changed

* Fix tests

* Fix remaining tests

* Use functional component to handle state

* Remove unneeded mocks, fix tests

* Change perPage to limit

* Fix Go Tests

* Fix linter

* Remove parameter

* Account for mixed datasources

* Delete unused hook

* add source UID filter to API, start backing out front end hook changes

* add source IDs to API, use when loading or changing datasource

* Fix prettier

* Mock correlations response

* Get correlations for all datasources in mixed scenario

* Add documentation for new parameters

* Attempt to fix swagger

* Fix correlations page

* add swagger and openapi docs

* Add mocks to failing test

* Change API for consistency, remove extra hooks and unused function

* Add max to limit and re-gen api docs

* Move the page to the previous page if deleting all the rows on the page

* Only fetch if remove does not have value

* Change page to a reference hook

* Fix documentation, a test and some logic thinking page could be 0

pkg/services/correlations/api.go

@@ -76,7 +76,7 @@ type CreateCorrelationParams struct {
 	SourceUID string `json:"sourceUID"`
 }
 
-//swagger:response createCorrelationResponse
+// swagger:response createCorrelationResponse
 type CreateCorrelationResponse struct {
 	// in: body
 	Body CreateCorrelationResponseBody `json:"body"`
@@ -192,7 +192,7 @@ type UpdateCorrelationParams struct {
 	Body UpdateCorrelationCommand `json:"body"`
 }
 
-//swagger:response updateCorrelationResponse
+// swagger:response updateCorrelationResponse
 type UpdateCorrelationResponse struct {
 	// in: body
 	Body UpdateCorrelationResponseBody `json:"body"`
@@ -282,7 +282,7 @@ type GetCorrelationsBySourceUIDParams struct {
 	DatasourceUID string `json:"sourceUID"`
 }
 
-//swagger:response getCorrelationsBySourceUIDResponse
+// swagger:response getCorrelationsBySourceUIDResponse
 type GetCorrelationsBySourceUIDResponse struct {
 	// in: body
 	Body []Correlation `json:"body"`
@@ -298,8 +298,25 @@ type GetCorrelationsBySourceUIDResponse struct {
 // 404: notFoundError
 // 500: internalServerError
 func (s *CorrelationsService) getCorrelationsHandler(c *contextmodel.ReqContext) response.Response {
+	limit := c.QueryInt64("limit")
+	if limit <= 0 {
+		limit = 100
+	} else if limit > 1000 {
+		limit = 1000
+	}
+
+	page := c.QueryInt64("page")
+	if page <= 0 {
+		page = 1
+	}
+
+	sourceUIDs := c.QueryStrings("sourceUID")
+
 	query := GetCorrelationsQuery{
-		OrgId: c.OrgID,
+		OrgId:      c.OrgID,
+		Limit:      limit,
+		Page:       page,
+		SourceUIDs: sourceUIDs,
 	}
 
 	correlations, err := s.getCorrelations(c.Req.Context(), query)
@@ -314,6 +331,27 @@ func (s *CorrelationsService) getCorrelationsHandler(c *contextmodel.ReqContext)
 	return response.JSON(http.StatusOK, correlations)
 }
 
+// swagger:parameters getCorrelations
+type GetCorrelationsParams struct {
+	// Limit the maximum number of correlations to return per page
+	// in:query
+	// required:false
+	// default:100
+	// maximum: 1000
+	Limit int64 `json:"limit"`
+	// Page index for starting fetching correlations
+	// in:query
+	// required:false
+	// default:1
+	Page int64 `json:"page"`
+	// Source datasource UID filter to be applied to correlations
+	// in:query
+	// type: array
+	// collectionFormat: multi
+	// required:false
+	SourceUIDs []string `json:"sourceUID"`
+}
+
 //swagger:response getCorrelationsResponse
 type GetCorrelationsResponse struct {
 	// in: body