Source available metrics (#24879)

* Expose metrics under a source available license

* do not assume Cluster()

* allow metrics if licensed or dev

* temporary vet override

* simplify BULID_TAGS handling

* auto clean old imports.go

* fix license listener

* e2e test metrics & license semantics

* update from enterprise

* switch back to mattermost-govet/v2@new now

* update metrics from upstream

* Update license_spec.js

Co-authored-by: Saturnino Abril <saturnino.abril@gmail.com>

* Update license_spec.js

Co-authored-by: Saturnino Abril <saturnino.abril@gmail.com>

* Update e2e-tests/cypress/tests/integration/channels/enterprise/metrics/license_spec.js

Co-authored-by: Saturnino Abril <saturnino.abril@gmail.com>

* Update e2e-tests/cypress/tests/integration/channels/enterprise/metrics/license_spec.js

* split up specs

* require/delete license earlier in e2e test

* expanded expect to debug failures

* more logging

* Revert "more logging"

This reverts commit 0bc513fd926c07a0c6050f4b4c742e856d8dc435.

* e2e: try deleting license first

* update from enterprise

* toggleMetricsOn to work around license delete

* eslint

* ensure admin before deleting license

* update from enterprise

* updates from enterprise

* fix cypress logging

* temp: log at DEBUG for Cypress tests

---------

Co-authored-by: Saturnino Abril <saturnino.abril@gmail.com>
Co-authored-by: Mattermost Build <build@mattermost.com>

server/cmd/mattermost/main.go

@@ -13,7 +13,7 @@ import (
 	_ "github.com/mattermost/mattermost/server/v8/channels/app/oauthproviders/gitlab"
 
 	// Enterprise Imports
-	_ "github.com/mattermost/mattermost/server/v8/channels/imports"
+	_ "github.com/mattermost/mattermost/server/v8/enterprise"
 )
 
 func main() {

server/cmd/mmctl/commands/enterprise.go

@@ -17,8 +17,8 @@ import (
 	_ "github.com/hashicorp/memberlist"
 	_ "github.com/mattermost/gosaml2"
 	_ "github.com/mattermost/ldap"
-	_ "github.com/mattermost/mattermost/server/v8/channels/imports"
 	_ "github.com/mattermost/mattermost/server/v8/channels/utils/testutils"
+	_ "github.com/mattermost/mattermost/server/v8/enterprise"
 	_ "github.com/mattermost/rsc/qr"
 	_ "github.com/prometheus/client_golang/prometheus"
 	_ "github.com/prometheus/client_golang/prometheus/collectors"