fix(frontend): Update flow tooltip z-indexes (#1433)

frontend/src/lib/components/flows/FlowEditor.svelte

@@ -17,7 +17,7 @@
 
 <div class="h-full overflow-hidden border-t">
 	<Splitpanes>
-		<Pane {size} minSize={15} class="h-full">
+		<Pane {size} minSize={15} class="h-full relative z-0">
 			<div class="grow overflow-auto bg-gray h-full bg-gray-50 relative">
 				{#if loading}
 					<div class="p-2 pt-10">
@@ -30,7 +30,7 @@
 				{/if}
 			</div>
 		</Pane>
-		<Pane class="drop-shadow-2xl" size={100 - size} minSize={40}>
+		<Pane class="relative z-10" size={100 - size} minSize={40}>
 			{#if loading}
 				<div class="w-full h-full">
 					<div class="block m-auto mt-40 w-10">