[MM-38649] Put top bar in a BrowserView (#1758)

* [MM-38649] Tab bar as BrowserView POC

* Fixes for Mac

* Linux fixes

* Lint fix

* Make view full height

* Fix for macOS getting stuck when dragging

* Lint fix

src/main/utils.ts

@@ -22,6 +22,15 @@ export function shouldBeHiddenOnStartup(parsedArgv: Args) {
     return false;
 }
 
+export function getMainViewBounds(windowWidth: number, windowHeight: number) {
+    return {
+        x: 0,
+        y: 0,
+        width: windowWidth,
+        height: windowHeight,
+    };
+}
+
 export function getWindowBoundaries(win: BrowserWindow, hasBackBar = false) {
     const {width, height} = win.getContentBounds();
     return getAdjustedWindowBoundaries(width, height, hasBackBar);