chore: clean up a bunch of legacy styles (#5973)

* remove unused experimental-styles-within

* remove unused styles

* more cleanup + prepr

* Refactor nearly all legacy buttons to use ButtonStyled

* prepr

* Update MC account selector to modern version

* prepr

---------

Co-authored-by: Calum H. <calum@modrinth.com>

apps/frontend/src/components/ui/moderation/ModerationReportCard.vue

@@ -154,8 +154,8 @@
 					@update-thread="updateThread"
 				>
 					<template #closedActions>
-						<ButtonStyled v-if="isStaff(auth.user)" color="green" class="mt-2">
-							<button class="w-full gap-2 sm:w-auto" @click="reopenReport()">
+						<ButtonStyled v-if="isStaff(auth.user)" color="green">
+							<button class="mt-2 w-full gap-2 sm:w-auto" @click="reopenReport()">
 								<CheckCircleIcon class="size-4" />
 								Reopen Thread
 							</button>