Fix notarization issues after upgrading electron-builder to 24.13.3

To fix issues with electron-builder and @electron/notarize this commit:
* Replaces old notarization code with built-in solution in
  electron-builder
* Moves notarization of pkg to build.sh

build.sh

@@ -354,6 +354,18 @@ if [[ "$SIGN" == "true" && "$(uname -s)" == "MINGW"* ]]; then
     done
 fi
 
+# notarize installer on macOS
+if [[ "$NOTARIZE" == "true" && "$(uname -s)" == "Darwin" ]]; then
+    log_info "Notarizing pkg"
+    xcrun notarytool submit dist/*"$PRODUCT_VERSION"*.pkg \
+        --keychain "$NOTARIZE_KEYCHAIN" \
+        --keychain-profile "$NOTARIZE_KEYCHAIN_PROFILE" \
+        --wait
+
+    log_info "Stapling pkg"
+    xcrun stapler staple dist/*"$PRODUCT_VERSION"*.pkg
+fi
+
 log_success "**********************************"
 log_success ""
 log_success " The build finished successfully! "

gui/package.json

@@ -31,7 +31,6 @@
     "nseventmonitor": "^1.0.4"
   },
   "devDependencies": {
-    "@electron/notarize": "^2.1.0",
     "@playwright/test": "^1.41.1",
     "@types/chai": "^4.3.3",
     "@types/chai-as-promised": "^7.1.5",

gui/tasks/distribution.js

@@ -2,7 +2,6 @@ const path = require('path');
 const fs = require('fs');
 const builder = require('electron-builder');
 const { Arch } = require('electron-builder');
-const { notarize } = require('@electron/notarize');
 const { execFileSync } = require('child_process');
 
 const noCompression = process.argv.includes('--no-compression');
@@ -88,6 +87,7 @@ const config = {
     artifactName: 'MullvadVPN-${version}.${ext}',
     category: 'public.app-category.tools',
     icon: distAssets('icon-macos.icns'),
+    notarize: shouldNotarize,
     extendInfo: {
       LSUIElement: true,
       NSUserNotificationAlertStyle: 'banner',
@@ -314,11 +314,6 @@ function packMac() {
         return Promise.resolve();
       },
       afterAllArtifactBuild: async (buildResult) => {
-        if (shouldNotarize) {
-          // buildResult.artifactPaths[0] contains the path to the pkg.
-          await notarizeMac(buildResult.artifactPaths[0]);
-        }
-
         // Remove the folder that contains the unpacked app. Electron builder cleans up some of
         // these directories and it's changed between versions without a mention in the changelog.
         for (const dir of appOutDirs) {
@@ -330,26 +325,11 @@ function packMac() {
       afterSign: (context) => {
         const appOutDir = context.appOutDir;
         appOutDirs.push(appOutDir);
-
-        if (shouldNotarize) {
-          const appName = context.packager.appInfo.productFilename;
-          return notarizeMac(path.join(appOutDir, `${appName}.app`));
-        }
       },
     },
   });
 }
 
-function notarizeMac(notarizePath) {
-  console.log('Notarizing ' + notarizePath);
-  return notarize({
-    appBundleId: config.appId,
-    appPath: notarizePath,
-    keychain: process.env.NOTARIZE_KEYCHAIN,
-    keychainProfile: process.env.NOTARIZE_KEYCHAIN_PROFILE,
-  });
-}
-
 function packLinux() {
   if (noCompression) {
     config.rpm.fpm.unshift('--rpm-compression', 'none');