Handle escape in chat

src/routes/spaces/[relay]/[h]/+page.svelte

@@ -280,6 +280,12 @@
     cleanup = feed.cleanup
   }
 
+  const onEscape = () => {
+    clearParent()
+    clearShare()
+    eventToEdit = undefined
+  }
+
   const canEditEvent = (event: TrustedEvent) =>
     event.pubkey === $pubkey && event.created_at >= ago(5, MINUTE)
 
@@ -492,6 +498,7 @@
         {url}
         {h}
         {onSubmit}
+        {onEscape}
         {onEditPrevious}
         content={eventToEdit?.content}
         bind:this={compose} />

src/routes/spaces/[relay]/chat/+page.svelte

@@ -188,6 +188,12 @@
     return elements
   })
 
+  const onEscape = () => {
+    clearParent()
+    clearShare()
+    eventToEdit = undefined
+  }
+
   const canEditEvent = (event: TrustedEvent) =>
     event.pubkey === $pubkey && event.created_at >= ago(5, MINUTE)
 
@@ -315,6 +321,7 @@
     <RoomCompose
       {url}
       {onSubmit}
+      {onEscape}
       {onEditPrevious}
       content={eventToEdit?.content}
       bind:this={compose} />