Merge branch 'issue-1097'

- Let's call this "probably FIXES #1097", but it needs extensive
   testing to make sure the other crash doesn't return.

src/modules/partition/gui/PartitionPage.cpp

@@ -581,7 +581,7 @@ void
 PartitionPage::onPartitionModelReset()
 {
     m_ui->partitionTreeView->expandAll();
-    // updateButtons();
+    updateButtons();
     updateBootLoaderIndex();
 }