AuthN: add flag for org roles sync (#63507)

* AuthN: Add flag to control org role syncs

* JWT: Only sync org roles if the skip flag for jwt is false

* LDAP: Only sync org role if skip flag for ldap is false

* OAuth: Skip org roles sync if no roles were provided by upstream service

* Grafana: Set SyncOrgRoles to true for authentication through proxy with grafana as backend

pkg/services/authn/authnimpl/sync/org_sync_test.go

@@ -79,7 +79,7 @@ func TestOrgSync_SyncOrgRolesHook(t *testing.T) {
 					OrgRoles:       map[int64]roletype.RoleType{1: org.RoleAdmin, 2: org.RoleEditor},
 					IsGrafanaAdmin: ptrBool(false),
 					ClientParams: authn.ClientParams{
-						SyncUser: true,
+						SyncOrgRoles: true,
 						LookUpParams: login.UserLookupParams{
 							UserID: nil,
 							Email:  ptrString("test"),
@@ -97,7 +97,7 @@ func TestOrgSync_SyncOrgRolesHook(t *testing.T) {
 				OrgID:          1, //set using org
 				IsGrafanaAdmin: ptrBool(false),
 				ClientParams: authn.ClientParams{
-					SyncUser: true,
+					SyncOrgRoles: true,
 					LookUpParams: login.UserLookupParams{
 						UserID: nil,
 						Email:  ptrString("test"),