refactor: align files tab with content tab design (#5621)

* fix: files.vue bugs before styling changes

* feat: move files tab to shared layout structure

* fix: qa

* fix: qa

* fix: bugs

* fix: lint

* fix: admonition cleanup with progress + actions

* fix: cleanup

* fix: modals

* fix: admon title

* fix: i18n standard

* fix: lint + i18n pass

* fix: remove transition

* fix: type errors

* feat: files tab in app

* fix: qa

* fix: backup item minmax

* fix: use ContentPageHeader for server panel

* fix: lint

* fix: lint

* fix: lint

* feat: page leave safety

* fix: lint

* fix: cargo fmt fix

* fix: blank in prod

* fix: content card table stuff

* Revert "fix: blank in prod"

This reverts commit 74758fe185.

* fix: import

* feat: browse worlds/servers flow

* fix: worlds tab parity with content tab

* fix: perf bug + shader filter pill copy

* feat: singleplayer filter

* fix: ordering

* fix: breadcrumbs

* fix: lint

* fix: qa

* feat: store server proj id when adding to a non-linked instance

* fix: lint

* fix: i18n + qa

* fix: conflict

* qa: already installed modal + placeholders not server-specific

* fix: qa

* fix: add + edit server modals

* fix: qa

* fix: security

* fix: devin flags

* fix: lint

* chore: change file to break build cache

* fix: admon

* fix: import path stuff

* feat: qa

* fix: fmt fmt idiot

---------

Signed-off-by: Calum H. <calum@modrinth.com>

packages/ui/src/components/modal/ConfirmLeaveModal.vue

@@ -0,0 +1,106 @@
+<template>
+	<NewModal ref="modal" :header="localizeIfPossible(title)" fade="warning" max-width="500px">
+		<div class="flex flex-col gap-6">
+			<Admonition :type="admonitionType" :header="localizeIfPossible(header)">
+				{{ localizeIfPossible(body) }}
+			</Admonition>
+		</div>
+
+		<template #actions>
+			<div class="flex justify-end gap-2">
+				<ButtonStyled type="outlined">
+					<button class="!border !border-surface-4" @click="cancel">
+						<XIcon />
+						{{ localizeIfPossible(stayLabel) }}
+					</button>
+				</ButtonStyled>
+				<ButtonStyled color="red">
+					<button @click="leave">
+						<RightArrowIcon />
+						{{ localizeIfPossible(leaveLabel) }}
+					</button>
+				</ButtonStyled>
+			</div>
+		</template>
+	</NewModal>
+</template>
+
+<script setup lang="ts">
+import { RightArrowIcon, XIcon } from '@modrinth/assets'
+import { ref } from 'vue'
+
+import Admonition from '#ui/components/base/Admonition.vue'
+import ButtonStyled from '#ui/components/base/ButtonStyled.vue'
+import { defineMessage, type MessageDescriptor, useVIntl } from '#ui/composables/i18n'
+
+import NewModal from './NewModal.vue'
+
+const { formatMessage } = useVIntl()
+
+withDefaults(
+	defineProps<{
+		title?: MessageDescriptor | string
+		header?: MessageDescriptor | string
+		body?: MessageDescriptor | string
+		stayLabel?: MessageDescriptor | string
+		leaveLabel?: MessageDescriptor | string
+		admonitionType?: 'warning' | 'critical' | 'info'
+	}>(),
+	{
+		title: () =>
+			defineMessage({
+				id: 'ui.confirm-leave-modal.title',
+				defaultMessage: 'Leave page?',
+			}),
+		header: () =>
+			defineMessage({
+				id: 'ui.confirm-leave-modal.header',
+				defaultMessage: 'You have unsaved changes',
+			}),
+		body: () =>
+			defineMessage({
+				id: 'ui.confirm-leave-modal.body',
+				defaultMessage: 'You have unsaved changes that will be lost if you leave this page.',
+			}),
+		stayLabel: () =>
+			defineMessage({
+				id: 'ui.confirm-leave-modal.stay',
+				defaultMessage: 'Stay on page',
+			}),
+		leaveLabel: () =>
+			defineMessage({
+				id: 'ui.confirm-leave-modal.leave',
+				defaultMessage: 'Leave page',
+			}),
+		admonitionType: 'critical',
+	},
+)
+
+function localizeIfPossible(message: MessageDescriptor | string) {
+	return typeof message === 'string' ? message : formatMessage(message)
+}
+
+const modal = ref<InstanceType<typeof NewModal>>()
+let resolvePromise: ((value: boolean) => void) | null = null
+
+function prompt(): Promise<boolean> {
+	return new Promise((resolve) => {
+		resolvePromise = resolve
+		modal.value?.show()
+	})
+}
+
+function leave() {
+	modal.value?.hide()
+	resolvePromise?.(true)
+	resolvePromise = null
+}
+
+function cancel() {
+	modal.value?.hide()
+	resolvePromise?.(false)
+	resolvePromise = null
+}
+
+defineExpose({ prompt })
+</script>