fix: status bar message not showing

Permanent spacer widget was preventing statusBar()->showMessage calls
from showing.

src/MainWindow.cpp

@@ -63,7 +63,7 @@ MainWindow::MainWindow(QWidget *parent)
   m_statusBar->addWidget(m_currentPathLabel);
 
   // Add spacer to push right-aligned items to the right
-  m_statusBar->addPermanentWidget(new QLabel(""), 1);
+  m_statusBar->addWidget(new QLabel(""), 1);
 
   // Ping indicator (green text)
   m_pingLabel = new QLabel(this);