Fixed mask_rcnn adapter in case of using detection_out (#2989)

Author: Anna Grebneva

tools/accuracy_checker/openvino/tools/accuracy_checker/adapters/mask_rcnn.py

@@ -115,7 +115,9 @@ def select_output_blob(self, outputs):
         if self.raw_masks_out:
             self.raw_masks_out = self.check_output_name(self.raw_masks_out, outputs)
         if hasattr(self, 'detection_out'):
-            self.detection_out = self.check_output_name(self.raw_masks_out, outputs)
+            self.detection_out = self.check_output_name(self.detection_out, outputs)
+            self.outputs_verified = True
+            return
         if self.classes_out:
             self.classes_out = self.check_output_name(self.classes_out, outputs)
         if self.scores_out: