Make getMediaPermissions synchronous

main.js

@@ -1073,13 +1073,10 @@ function removeDarkOverlay() {
   }
 }
 
-// This one is different because its single source of truth is userConfig, not IndexedDB
+// This should be called with an ipc sendSync
 ipc.on('get-media-permissions', event => {
-  event.sender.send(
-    'get-success-media-permissions',
-    null,
-    userConfig.get('mediaPermissions') || false
-  );
+  // eslint-disable-next-line no-param-reassign
+  event.returnValue = userConfig.get('mediaPermissions') || false;
 });
 ipc.on('set-media-permissions', (event, value) => {
   userConfig.set('mediaPermissions', value);

preload.js

@@ -212,13 +212,7 @@ window.getSettingValue = (settingID, comparisonValue = null) => {
   // returns 'false' when the value is 'dark'.
 
   if (settingID === 'media-permissions') {
-    let permissionValue;
-    // eslint-disable-next-line more/no-then
-    window.getMediaPermissions().then(value => {
-      permissionValue = value;
-    });
-
-    return permissionValue;
+    return window.getMediaPermissions();
   }
 
   const settingVal = window.storage.get(settingID);
@@ -236,17 +230,7 @@ window.setSettingValue = (settingID, value) => {
 // Get the message TTL setting
 window.getMessageTTL = () => window.storage.get('message-ttl', 24);
 
-window.getMediaPermissions = () =>
-  new Promise((resolve, reject) => {
-    ipc.once('get-success-media-permissions', (_event, error, value) => {
-      if (error) {
-        return reject(error);
-      }
-
-      return resolve(value);
-    });
-    ipc.send('get-media-permissions');
-  });
+window.getMediaPermissions = () => ipc.sendSync('get-media-permissions')
 
 window.addSetupMenuItems = () => ipc.send('add-setup-menu-items');
 window.removeSetupMenuItems = () => ipc.send('remove-setup-menu-items');