MacOs: properly request microphone and camera permission (#121)

Co-authored-by: V <vendicated@riseup.net>

src/main/mediaPermissions.ts

@@ -0,0 +1,24 @@
+/*
+ * SPDX-License-Identifier: GPL-3.0
+ * Vesktop, a desktop app aiming to give you a snappier Discord Experience
+ * Copyright (c) 2023 Vendicated and Vencord contributors
+ */
+
+import { session, systemPreferences } from "electron";
+
+export function registerMediaPermissionsHandler() {
+    if (process.platform !== "darwin") return;
+
+    session.defaultSession.setPermissionRequestHandler(async (_webContents, permission, callback, details) => {
+        let granted = true;
+
+        if (details.mediaTypes?.includes("audio")) {
+            granted = await systemPreferences.askForMediaAccess("microphone");
+        }
+        if (details.mediaTypes?.includes("video")) {
+            granted &&= await systemPreferences.askForMediaAccess("camera");
+        }
+
+        callback(granted);
+    });
+}