Chore: Add user service method SetUsingOrg and GetSignedInUserWithCacheCtx (#53343)

* Chore: Add user service method SetUsingOrg

* Chore: Add user service method GetSignedInUserWithCacheCtx

* Use method GetSignedInUserWithCacheCtx from user service

* Fix lint after rebase

* Fix lint

* Fix lint error

* roll back some changes

* Roll back changes in api and middleware

* Add xorm tags to SignedInUser ID fields

pkg/services/sqlstore/sqlbuilder_test.go

@@ -308,13 +308,13 @@ func getDashboards(t *testing.T, sqlStore *SQLStore, search Search, aclUserID in
 
 	builder := NewSqlBuilder(sqlStore.Cfg)
 	signedInUser := &user.SignedInUser{
-		UserId: 9999999999,
+		UserID: 9999999999,
 	}
 
 	if search.OrgId == 0 {
-		signedInUser.OrgId = 1
+		signedInUser.OrgID = 1
 	} else {
-		signedInUser.OrgId = search.OrgId
+		signedInUser.OrgID = search.OrgId
 	}
 
 	if len(string(search.UsersOrgRole)) > 0 {
@@ -323,7 +323,7 @@ func getDashboards(t *testing.T, sqlStore *SQLStore, search Search, aclUserID in
 		signedInUser.OrgRole = org.RoleViewer
 	}
 	if search.UserFromACL {
-		signedInUser.UserId = aclUserID
+		signedInUser.UserID = aclUserID
 	}
 
 	var res []*dashboardResponse