AccessControl: Remove scopes from orgs endpoints (#41709)

* AccessControl: Check permissions in target org

* Remove org scopes and add an authorizeInOrg middleware

* Use query result org id and perform users permission check globally for GetOrgByName

* Remove scope translation for orgs current

* Suggestion from Ieva

pkg/services/accesscontrol/scope.go

@@ -42,16 +42,11 @@ type ScopeResolver struct {
 func NewScopeResolver() ScopeResolver {
 	return ScopeResolver{
 		keywordResolvers: map[string]KeywordScopeResolveFunc{
-			"orgs:current": resolveCurrentOrg,
-			"users:self":   resolveUserSelf,
+			"users:self": resolveUserSelf,
 		},
 	}
 }
 
-func resolveCurrentOrg(u *models.SignedInUser) (string, error) {
-	return Scope("orgs", "id", fmt.Sprintf("%v", u.OrgId)), nil
-}
-
 func resolveUserSelf(u *models.SignedInUser) (string, error) {
 	return Scope("users", "id", fmt.Sprintf("%v", u.UserId)), nil
 }