Fix Cancel dialog not going away

src/AutoPilotPlugins/PX4/SensorsSetup.qml

@@ -140,9 +140,7 @@ Item {
 
         onWaitingForCancelChanged: {
             if (controller.waitingForCancel) {
-                showMessage(qsTr("Calibration Cancel"), qsTr("Waiting for Vehicle to response to Cancel. This may take a few seconds."), 0)
-            } else {
-                hideDialog()
+                showDialog(waitForCancelDialogComponent, qsTr("Calibration Cancel"), qgcView.showDialogDefaultWidth, 0)
             }
         }
     }
@@ -154,6 +152,24 @@ Item {
         }
     }
 
+    Component {
+        id: waitForCancelDialogComponent
+
+        QGCViewMessage {
+            message: qsTr("Waiting for Vehicle to response to Cancel. This may take a few seconds.")
+
+            Connections {
+                target: controller
+
+                onWaitingForCancelChanged: {
+                    if (!controller.waitingForCancel) {
+                        hideDialog()
+                    }
+                }
+            }
+        }
+    }
+
     Component {
         id: preCalibrationDialogComponent