NotificationGroup: fix extraneous non-props warning in Vue 3.5+

[Nebual]

This change fixes a warning when used in Vue 3.5+.

Vue's devtools auto add a data-v-inspector prop to components as a form of Sourcemap. As of Vue 3.5+, for NotificationGroup this was causing a warning of 'Extraneous non-props attributes ("data-v-inspector") were passed to component but could not be automatically inherited because component renders fragment or text root nodes.'

Similar to this Nuxt PR, this PR disables 'automatically inherit attributes', as by default in Vue extra attributes added to <NotificationGroup something="x"> would attempt to add something as an attribute on the root node, but NotificationGroup's root node is a <template> which can't receive attributes.

[aidenmarkus]

Thank you! This will fix the issue we currently have.