Core: Remove thema and kindsys dependencies (#84499)

* Move some thema code inside grafana

* Use new codegen instead of thema for core kinds

* Replace TS generator

* Use new generator for go types

* Remove thema from oapi generator

* Remove thema from generators

* Don't use kindsys/thema for core kinds

* Remove kindsys/thema from plugins

* Remove last thema related

* Remove most of cuectx and move utils_ts into codegen. It also deletes wire dependency

* Merge plugins generators

* Delete thema dependency 🎉

* Fix CODEOWNERS

* Fix package name

* Fix TS output names

* More path fixes

* Fix mod codeowners

* Use original plugin's name

* Remove kindsys dependency 🎉

* Modify oapi schema and create an apply function to fix elasticsearch errors

* cue.mod was deleted by mistake

* Fix TS panels

* sort imports

* Fixing elasticsearch output

* Downgrade oapi-codegen library

* Update output ts files

* More fixes

* Restore old elasticsearch generated file and skip its generation. Remove core imports into plugins

* More lint fixes

* Add codeowners

* restore embed.go file

* Fix embed.go

pkg/tsdb/loki/kinds/dataquery/types_dataquery_gen.go

@@ -63,11 +63,6 @@ type DataQuery struct {
 
 // LokiDataQuery defines model for LokiDataQuery.
 type LokiDataQuery struct {
-	// DataQuery These are the common properties available to all queries in all datasources.
-	// Specific implementations will *extend* this interface, adding the required
-	// properties for the given context.
-	DataQuery
-
 	// For mixed data sources the selected datasource is on the query level.
 	// For non mixed scenarios this is undefined.
 	// TODO find a better way to do this ^ that's friendly to schema
@@ -76,7 +71,7 @@ type LokiDataQuery struct {
 	EditorMode *QueryEditorMode `json:"editorMode,omitempty"`
 
 	// The LogQL query.
-	Expr string `json:"expr"`
+	Expr *string `json:"expr,omitempty"`
 
 	// Hide true if query is disabled (ie should not be returned to the dashboard)
 	// Note this does not always imply that the query should not be executed since
@@ -102,7 +97,7 @@ type LokiDataQuery struct {
 	// A unique identifier for the query within the list of targets.
 	// In server side expressions, the refId is used as a variable name to identify results.
 	// By default, the UI will assign A->Z; however setting meaningful names may be useful.
-	RefId string `json:"refId"`
+	RefId *string `json:"refId,omitempty"`
 
 	// @deprecated, now use step.
 	Resolution *int64 `json:"resolution,omitempty"`