Query::assembleSelect(): Apply orderBy before joining the relations

Otherwise, the query fails if `Query::orderBy()` contain relations that are not present in `Query::$with`.

- Previously, `Query::order()` enhanced the `Query::$with` array, but the enhanced values were no longer taken into account for joining relations.

src/Query.php

@@ -491,6 +491,8 @@ public function assembleSelect()
             $select->where(...array_reverse($where));
         }
 
+        $this->order($select);
+
         $joinedRelations = [];
         foreach ($this->getWith() + $this->getUtilize() as $path => $_) {
             foreach ($resolver->resolveRelations($path) as $relationPath => $relation) {
@@ -548,8 +550,6 @@ public function assembleSelect()
             $select->offset($this->getOffset());
         }
 
-        $this->order($select);
-
         $this->emit(static::ON_SELECT_ASSEMBLED, [$select]);
 
         return $select;

tests/QueryTest.php

@@ -279,6 +279,62 @@ public function testQueryWithExpressionInOrderByThatUsesColumns()
         );
     }
 
+    public function testOrderByJoinRequiredRelationsButDoNotSelectTheirColumns()
+    {
+        $query = (new Query())
+            ->setModel(new User())
+            ->orderBy('user.profile.given_name', 'DESC');
+
+        $sql = <<<SQL
+SELECT user.id, user.username, user.password
+FROM user
+INNER JOIN profile user_profile ON user_profile.user_id = user.id
+ORDER BY user_profile.given_name DESC
+SQL;
+
+        $this->assertSql($sql, $query->assembleSelect());
+    }
+
+    public function testOrderByDoNotJoinExistingRelationsAgain()
+    {
+        $query = (new Query())
+            ->setModel(new User())
+            ->with('user.profile')
+            ->orderBy('user.profile.given_name', 'DESC');
+
+        $sql = <<<SQL
+SELECT user.id,
+       user.username,
+       user.password,
+       user_profile.id AS user_profile_id,
+       user_profile.user_id AS user_profile_user_id,
+       user_profile.given_name AS user_profile_given_name,
+       user_profile.surname AS user_profile_surname
+FROM user
+INNER JOIN profile user_profile ON user_profile.user_id = user.id
+ORDER BY user_profile.given_name DESC
+SQL;
+
+        $this->assertSql($sql, $query->assembleSelect());
+    }
+
+    public function testOrderByJoinsWithoutRelation()
+    {
+        $query = (new Query())
+            ->setModel(new User())
+            ->without('user.profile')
+            ->orderBy('user.profile.given_name', 'DESC');
+
+        $sql = <<<SQL
+SELECT user.id, user.username, user.password
+FROM user
+INNER JOIN profile user_profile ON user_profile.user_id = user.id
+ORDER BY user_profile.given_name DESC
+SQL;
+
+        $this->assertSql($sql, $query->assembleSelect());
+    }
+
     public function testExplicitColumnsDontCauseRelationsToBeImplicitlySelected()
     {
         $query = (new Query())