this.$moment.locale an this.$moment.updateLocale - TypeError - not a function (v2.24.0 and later)

[fwiwDev]

Describe the bug
Using moment.locale() or moment.updateLocale() causes an error, "TypeError: this.$moment.locale is not a function" or "TypeError: this.$moment.updateLocale is not a function"

To Reproduce
Steps to reproduce the behavior:

1. Go to a minimal repo with reproducible code: https://github.com/fwiwDev/ally-debug (gh repo clone fwiwDev/ally-debug)
2. run > yarn
3. run > quasar dev -m electron
4. Open console
5. See error in console

vue.runtime.esm.js?5593:1888 TypeError: this.$moment.locale is not a function
    at VueComponent.created (App.vue?234e:15)
    at invokeWithErrorHandling (vue.runtime.esm.js?5593:1854)
    at callHook (vue.runtime.esm.js?5593:4219)
    at VueComponent.Vue._init (vue.runtime.esm.js?5593:5008)
    at new VueComponent (vue.runtime.esm.js?5593:5154)
    at createComponentInstanceForVnode (vue.runtime.esm.js?5593:3283)
    at init (vue.runtime.esm.js?5593:3114)
    at createComponent (vue.runtime.esm.js?5593:5978)
    at createElm (vue.runtime.esm.js?5593:5925)
    at Vue.patch [as __patch__] (vue.runtime.esm.js?5593:6516)

Expected behavior
Expecting the locale of my moment object to be set.

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: Windows 10
• Electron
• Version 2004

Moment-specific environment

• The time zone setting of the machine the code is running on: UTC-06:00
• The time and date at which the code was run: 3/11/2021, 11:20 AM
• Other libraries in use (TypeScript, Immutable.js, etc)

  "dependencies": {
    "@quasar/cli": "^1.1.3",
    "@quasar/extras": "^1.9.8",
    "eslint-plugin-vue": "^6.2.2",
    "moment": "2.4.0",
    "quasar": "^1.14.1",
    "vcards-js": "^2.10.0",
    "vue-croppa": "^1.3.8",
    "vue-css-donut-chart": "^1.3.0",
    "vue-i18n": "^8.23.0",
    "vuedraggable": "^2.23.2"
  },
  "devDependencies": {
    "@quasar/app": "^2.0.0",
    "babel-eslint": "^10.0.1",
    "devtron": "^1.4.0",
    "electron": "^9.0.0",
    "electron-debug": "^3.0.1",
    "electron-devtools-installer": "^3.0.0",
    "eslint": "^6.8.0",
    "eslint-config-prettier": "^6.9.0",
    "eslint-loader": "^3.0.3"
  },

Please run the following code in your environment and include the output:

console.log((new Date()).toString())
console.log((new Date()).toLocaleString())
console.log((new Date()).getTimezoneOffset())
console.log(navigator.userAgent)
console.log(this.$moment.version)

please see below:

App.vue?234e:11 Thu Mar 11 2021 11:28:57 GMT-0600 (Central Standard Time)
App.vue?234e:12 3/11/2021, 11:28:57 AM
App.vue?234e:13 360
App.vue?234e:14 Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.122 Electron/9.4.4 Safari/537.36
App.vue?234e:15 2.4.0

Additional context
Add any other context about the problem here.
Quasar is setup to have moment as a global accessible as this.$moment. This is done in the quasar.conf.js in the boot area corresponds to the file at src/boot/moment.js.
Even without this global setup, I am still getting this:

vue.runtime.esm.js?5593:1888 TypeError: moment__WEBPACK_IMPORTED_MODULE_0___default.a.locale is not a function
    at VueComponent.created (App.vue?234e:19)
    at invokeWithErrorHandling (vue.runtime.esm.js?5593:1854)
    at callHook (vue.runtime.esm.js?5593:4219)
    at VueComponent.Vue._init (vue.runtime.esm.js?5593:5008)
    at new VueComponent (vue.runtime.esm.js?5593:5154)
    at createComponentInstanceForVnode (vue.runtime.esm.js?5593:3283)
    at init (vue.runtime.esm.js?5593:3114)
    at createComponent (vue.runtime.esm.js?5593:5978)
    at createElm (vue.runtime.esm.js?5593:5925)
    at Vue.patch [as __patch__] (vue.runtime.esm.js?5593:6516)

with these changes in App.vue:

  created () {
    console.log((new Date()).toString())
    console.log((new Date()).toLocaleString())
    console.log((new Date()).getTimezoneOffset())
    console.log(navigator.userAgent)
    console.log(moment.version)
    moment.locale(this.$i18n.locale)
  },
  computed: {
    currentTime () {
      return moment().format('LL')
    }
  }