Fix cohort members list layout to properly display email below name

Author: crthpl

frontend/src/routes/admin/cohorts/[name]/+page.svelte

@@ -337,7 +337,7 @@
 					{#each members as member}
 						<div class="flex items-center justify-between rounded-lg border p-2 px-3">
 							<div class="flex items-center gap-3">
-								<div>
+								<div class="flex flex-col">
 									{#if member.display_name}
 										<span class="font-medium">{member.display_name}</span>
 									{/if}