fix: undefined functions/properties across frontend (#4210)

* fix: notification mark as read

* revert: composition API change

* fix: categories

* feat: enable vue/no-undef-properties in 'warn' mode.

* fix: app undefined properties

* revert: ss block

* fix: eslint-disable for [version].vue

apps/frontend/src/pages/plus.vue

@@ -89,6 +89,8 @@ import { HeartIcon, ModrinthPlusIcon, SettingsIcon, SparklesIcon, StarIcon } fro
 import { injectNotificationManager, PurchaseModal } from '@modrinth/ui'
 import { calculateSavings, formatPrice, getCurrency } from '@modrinth/utils'
 
+import { useBaseFetch } from '@/composables/fetch.js'
+import { isPermission } from '@/utils/permissions.ts'
 import { products } from '~/generated/state.json'
 
 const { addNotification } = injectNotificationManager()