Dashboard Migrations: v25 & v24; migrate angular table (#108826)

* Dashboard Migrations: V31 LabelsToFields-Merge Migration

* Dashboard Migrations: V32 No-op migration

* simplify

* Refactor to reduce nesting

* Dashboard Migrations: V30 value mappings and tooltip options

* Do not automigrate since graph is migrated in v27

* Refactor to reduce nesting

* Add test case for invalid mapping

* migrate to v29

* wip

* Fix tests

* fix output

* wip

* fix min version issue

* fix wire

* ignore gauge logic as it never get's executed

* add panel migration to test

* improvements

* update

* cleanup

* address mappings inconsistencies

* cleanup

* fix lint issues

* add cfg when initializing

* v27 migration

* migrate to v26

* preallocate array

* remove logic for grafana-singlestat because it's shared with stat logic; improve error handling and testing

* fix go lint

* don't preallocate; cleanup comments

* cleanup

* wip

* run internal provider function when getting a single panel

* clean up; add tests

* add tests for panel plugin service

* remove obsolete mock for getting panel plugin

* add tests for the whole pipeline

* fix test and lint

* fix test

* Fix missing scenarios

---------

Co-authored-by: Ivan Ortega <ivanortegaalba@gmail.com>

apps/dashboard/pkg/migration/schemaversion/migrations.go

@@ -5,7 +5,7 @@ import (
 )
 
 const (
-	MIN_VERSION    = 25
+	MIN_VERSION    = 23
 	LATEST_VERSION = 41
 )
 
@@ -38,6 +38,8 @@ type PanelPluginInfoProvider interface {
 
 func GetMigrations(dsInfoProvider DataSourceInfoProvider, panelProvider PanelPluginInfoProvider) map[int]SchemaVersionMigrationFunc {
 	return map[int]SchemaVersionMigrationFunc{
+		24: V24(panelProvider),
+		25: V25,
 		26: V26,
 		27: V27,
 		28: V28(panelProvider),