QmlDesigner: Reset code model always when importing new bundle material

Apparently we can't rely on code model picking up the import addition
in all cases, so always do code model reset if a new material is
imported from bundle.

Fixes: QDS-7750
Change-Id: Idba05cd9ce0af4165cb933515ada8ed7bd3f64c9
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>

src/plugins/qmldesigner/components/materialbrowser/bundleimporter.cpp

@@ -159,10 +159,6 @@ QString BundleImporter::importComponent(const QString &qmlFile,
             // If import is not yet possible, import statement needs to be added asynchronously to
             // avoid errors, as code model update takes a while.
             m_importAddPending = true;
-
-            // Full reset is not necessary if new import directory appearing will trigger scanning,
-            // but if directory existed but was not valid possible import, we need to do a reset.
-            m_fullReset = bundleImportPathExists;
         }
     }
     m_importTimerCount = 0;