Fixed cancelling new component

lib/pages/edit_component.dart

@@ -33,10 +33,10 @@ class EditComponentPage extends HookWidget {
     return WillPopScope(
       onWillPop: () async {
         if (!dirty && !newComponent) {
-          return true;
+          Navigator.of(context).pop(true);
         } else if (!dirty && anySave.value) {
-          return true;
+          Navigator.of(context).pop(true);
-        }
+        } else {
           final dialogResult = await showDialog(
             context: context,
             builder: (context) {
@@ -61,7 +61,12 @@ class EditComponentPage extends HookWidget {
               );
             }
           );
-        return dialogResult == true;
+          if (dialogResult == true) {
+            // ignore: use_build_context_synchronously
+            Navigator.of(context).pop(!newComponent);
+          }
+        }
+        return false;
       },
       child: Scaffold(
         appBar: AppBar(