[Enterprise] Consolidate extensions folders and keep them around (#98486)

* WIP: copy approach

* Fix package name

* Do not ignore .keep for frontend extensions

* Add keep file for frontend extensions

* Tweak makefile to generate enterprise swagger or not

* Remove duplicate imports

* Add build extensions

* Add CMD extensions

* Add keep to e2e extensions

* Add .keep

* Reduce file structure changes

* Ignore boring crypto

* Add e2e extensions keep file

* Remove enterprise file

* Update .gitignore

* Move things around

* Update git ignore

* Consolidate backend extensions folder

* Move enterprise deps

* Update comment

* Do not use build tags

* Ignore setting enterprise

* Revert changes in makefile

* Revert package changes

* Add back extensions main.go

* Update git ignore

* Ignore spanner tests

* Trick ignore files only by git

* Add .ignore file to CODEOWNERS for frontend-ops

* Fix issue with noisy duplicate targets

pkg/build/cmd/publishgithub_test.go

@@ -10,6 +10,7 @@ import (
 	"testing"
 
 	"github.com/google/go-github/github"
+	"github.com/grafana/grafana/pkg/build/cmd/util"
 	"github.com/stretchr/testify/assert"
 	"github.com/urfave/cli/v2"
 )
@@ -158,7 +159,7 @@ func setupPublishGithubTests(t *testing.T) (*cli.App, string) {
 	testApp := cli.NewApp()
 	testApp.Action = PublishGithub
 	testApp.Flags = []cli.Flag{
-		&dryRunFlag,
+		&util.DryRunFlag,
 		&cli.StringFlag{
 			Name:     "path",
 			Required: true,