[Feature] Filament v3

[alexjustesen]

Description

This PR upgrades to Filament v3 which also includes Livewire v3. As a result the UI has been updated to the newest theme along with various performance improvements.

Changelog

Added

• content_width environment variable that replaces the option on the settings page. Default is 7xl and accepts any values from the Filament docs

Changed

• load Inter font locally instead of through a CDN
• refactored searching for a server to be v3 compatible
• simplified how the app version shows up in the sidebar
• updated settings pages to use form() method
• widgets are lazy loaded by default, closes Lazy load widgets to improve Dashboard performance #368

Fixed

• missing config for notification_polling environment variable

Removed

• content_width option from General Settings page and moved to an environment variable as the setting cannot be reference in the panel provider

Screenshots

Dashboard