Chore: Use externally built core plugins (#76682)

pkg/plugins/manager/loader/assetpath/assetpath.go

@@ -10,6 +10,7 @@ import (
 	"github.com/grafana/grafana/pkg/plugins"
 	"github.com/grafana/grafana/pkg/plugins/config"
 	"github.com/grafana/grafana/pkg/plugins/pluginscdn"
+	"github.com/grafana/grafana/pkg/services/featuremgmt"
 )
 
 // Service provides methods for constructing asset paths for plugins.
@@ -57,8 +58,14 @@ func (s *Service) Base(n PluginInfo) (string, error) {
 // Module returns the module.js path for the specified plugin.
 func (s *Service) Module(n PluginInfo) (string, error) {
 	if n.class == plugins.ClassCore {
-		baseDir := getBaseDir(n.dir)
-		return path.Join("core:plugin", baseDir), nil
+		if s.cfg.Features != nil &&
+			s.cfg.Features.IsEnabled(featuremgmt.FlagExternalCorePlugins) &&
+			filepath.Base(n.dir) == "dist" {
+			// The core plugin has been built externally, use the module from the dist folder
+		} else {
+			baseDir := getBaseDir(n.dir)
+			return path.Join("core:plugin", baseDir), nil
+		}
 	}
 	if s.cdn.PluginSupported(n.pluginJSON.ID) {
 		return s.cdn.AssetURL(n.pluginJSON.ID, n.pluginJSON.Info.Version, "module.js")