[MM-42538] Submit nightly builds to TestFlight for macOS (#2023)

* Initial MAS build, working on TestFlight

* Migration of old configs to MAS

* Ignore fastlane files

* Add mac app store build to nightly build

* Revert Me - For testing in PR

* Don't need to install fastlane

* BIG D

* Fix patch updater script to allow for no yml

* Nevermind, do this instead

* Update xcode

* Let's try a fake version that works

* Revert version and rename for test flight

* Use Xcode 13.0.0

* Use CircleCI build number when available

* Revert testing changes

* Remove notarize for MAS

* Change vars to MACOS instead of IOS

* Revert electron-builder to v22

* Revert package-lock.json

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

.circleci/config.yml

@@ -28,7 +28,7 @@ executors:
   mac:
     working_directory: ~/mattermost-desktop
     macos:
-      xcode: "10.3.0"
+      xcode: "13.0.0"
   aws:
     working_directory: ~/mattermost-desktop
     docker:
@@ -352,6 +352,34 @@ jobs:
           paths:
             - "./macos-release/"
 
+  mac_app_store_testflight:
+    executor: mac
+
+    steps:
+      - checkout
+      - run: mkdir -p ./build
+      - attach_workspace:
+          at: ./build
+      - run:
+          name: Update node to v16
+          command: brew upgrade node || true
+      - run:
+          name: Install yq
+          command: brew install yq
+      - run:
+          name: Installing npm dependencies
+          command: npm ci
+      - run:
+          name: Copy provisioning profile
+          command: echo $MAS_PROFILE | base64 -D > ./mas.provisionprofile
+      - run:
+          name: Patch version number for MAS
+          command: ./scripts/patch_mas_version.sh
+      - run: npm run package:mas
+      - run:
+          name: 'Upload to App Store Connect'
+          command: fastlane publish_test path:"$(find . -name \*.pkg -print -quit)"
+
   store_artifacts:
     executor: wine-chrome
     steps:
@@ -596,6 +624,7 @@ workflows:
                 # release-XX.YY.ZZ
                 # release-XX.YY.ZZ-rc-something
                 - /^release-\d+(\.\d+){1,2}(-rc.*)?/
+
   build-for-pr:
     jobs:
       - build-windows-pr:
@@ -620,6 +649,8 @@ workflows:
           context: windows-codesign
       - mac_installer:
           context: codesign-certificates
+      - mac_app_store_testflight:
+          context: desktop-mac-app-store
       - store_artifacts:
           context: desktop_browserview
           # for master/PR builds