Bug description
The select isn't scrollable and has some slight performance issues as well it seems.

How to reproduce
Spin up v6 and install schantldev/statamic-phosphoricons branch "statamic-6" and see it happening when changing the icon for a field.
Logs
Environment
Environment
Application Name: Statamic6
Laravel Version: 12.29.0
PHP Version: 8.4.12
Composer Version: 2.8.11
Environment: local
Debug Mode: ENABLED
URL: statamic6.test
Maintenance Mode: OFF
Timezone: UTC
Locale: en
Cache
Config: NOT CACHED
Events: NOT CACHED
Routes: NOT CACHED
Views: CACHED
Drivers
Broadcasting: log
Cache: file
Database: sqlite
Logs: stack / single
Mail: smtp
Queue: sync
Session: file
Storage
public/storage: NOT LINKED
Locales
Installed: cs, da, de, en, nb, nl, nn
LaravelLang\Actions\Plugin: 1.10.2
LaravelLang\Attributes\Plugin: 2.13.6
LaravelLang\HttpStatuses\Plugin: 3.10.5
LaravelLang\Lang\Plugin: 15.25.0
LaravelLang\MoonShine\Plugin: INCORRECT
LaravelLang\StarterKits\Plugin: 1.3.10
Locales Version: 2.10.0
Protected: en
Publisher Version: 16.7.0
Statamic
Addons: 4
Sites: 2 (Statamic6, Statamic6 DE)
Stache Watcher: Enabled (auto)
Static Caching: Disabled
Version: 6.0.0-alpha.7 PRO
Statamic Addons
schantldev/statamic-phosphoricons: dev-statamic-6
studio1902/statamic-peak-browser-appearance: dev-statamic-6
studio1902/statamic-peak-seo: dev-statamic-6
studio1902/statamic-peak-tools: dev-statamic-6
Installation
Fresh statamic/statamic site via CLI
Additional details
No response
Bug description
The select isn't scrollable and has some slight performance issues as well it seems.

How to reproduce
Spin up v6 and install schantldev/statamic-phosphoricons branch "statamic-6" and see it happening when changing the icon for a field.
Logs
Environment
Installation
Fresh statamic/statamic site via CLI
Additional details
No response