fix: use workArea instead of bounds for initial window size

Respects taskbar on Linux (KDE etc.) and menu bar on macOS.
bounds caused the window to extend behind the taskbar on KDE.
workArea gives {x, y, width, height} of the usable screen region.

src/main/index.ts

@@ -18,13 +18,13 @@ async function createWindow() {
     cachedFullConfig = await fetchFullConfig(cachedSeed);
   }
 
-  const { bounds } = screen.getPrimaryDisplay();
+  const { workArea } = screen.getPrimaryDisplay();
 
   mainWindow = new BrowserWindow({
-    width: bounds.width,
+    width: workArea.width,
-    height: bounds.height,
+    height: workArea.height,
-    x: bounds.x,
+    x: workArea.x,
-    y: bounds.y,
+    y: workArea.y,
     title: 'OSIT Aether Launcher (Native)',
     webPreferences: {
       preload: path.join(__dirname, '../preload/index.js'),