chore: Update ember-electron to from beta.3 to beta.4 release

ui/desktop/package.json

@@ -12,7 +12,7 @@
     "doc:toc": "doctoc README.md",
     "build": "ember build --environment=production",
     "build:development": "ember build",
-    "lint": "yarn lint:hbs && yarn lint:js && yarn lint:sass",
+    "lint": "npm-run-all --aggregate-output --continue-on-error --parallel lint:*",
     "lint:hbs": "ember-template-lint .",
     "lint:js": "eslint .",
     "lint:sass": "sass-lint -v -q",
@@ -23,7 +23,8 @@
     "start:desktop": "ember electron",
     "clean:coverage": "rm -rf coverage_*",
     "pretest": "yarn clean:coverage",
-    "test": "COVERAGE=true ember exam --random",
+    "test": "npm-run-all test:*",
+    "test:ember": "COVERAGE=true ember exam --random",
     "postinstall": "cd electron-app && yarn install",
     "posttest": "ember coverage-merge && yarn clean:coverage"
   },
@@ -49,7 +50,7 @@
     "ember-cli-template-lint": "^1.0.0-beta.3",
     "ember-cli-uglify": "^3.0.0",
     "ember-data": "~3.16.0",
-    "ember-electron": "https://github.com/adopted-ember-addons/ember-electron#v3.0.0-beta.3",
+    "ember-electron": "https://github.com/adopted-ember-addons/ember-electron#v3.0.0-beta.4",
     "ember-exam": "^5.0.1",
     "ember-export-application-global": "^2.0.1",
     "ember-fetch": "^7.0.0",