fix: initialize accountIsOnline to fix build

CMAKE_BUILD_TYPE=Release makes the build fail otherwise.

Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>

launcher/ui/pages/global/AccountListPage.cpp

@@ -257,7 +257,7 @@ void AccountListPage::updateButtonStates()
     QModelIndexList selection = ui->listView->selectionModel()->selectedIndexes();
     bool hasSelection = !selection.empty();
     bool accountIsReady = false;
-    bool accountIsOnline;
+    bool accountIsOnline = false;
     if (hasSelection)
     {
         QModelIndex selected = selection.first();