refactor: Migrate Vue slots to the new syntax (#4603)

Co-authored-by: Alex Grozav <alex@grozav.com>

packages/editor-ui/src/components/CommunityPackageInstallModal.vue

@@ -8,7 +8,7 @@
 		:beforeClose="onModalClose"
 		:showClose="!loading"
 	>
-		<template slot="content">
+		<template #content>
 			<div :class="[$style.descriptionContainer, 'p-s']">
 				<div>
 					<n8n-text>
@@ -66,7 +66,7 @@
 				</el-checkbox>
 			</div>
 		</template>
-		<template slot="footer">
+		<template #footer>
 			<n8n-button
 				:loading="loading"
 				:disabled="packageName === '' || loading"