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

packages/tooling-config/eslint/nuxt.mjs

@@ -39,6 +39,7 @@ export const configurationNuxtToAppend = [
 					],
 				},
 			],
+			'vue/no-undef-properties': 'warn',
 		},
 		languageOptions: {
 			parserOptions: {