add 'Scroll to the end of the conversation' bar

Change-Id: I63e41433db4999d021bc13375cf5b7ba07843c3d
diff --git a/client/src/components/SendMessageForm.tsx b/client/src/components/SendMessageForm.tsx
index 7230dd0..f003aae 100644
--- a/client/src/components/SendMessageForm.tsx
+++ b/client/src/components/SendMessageForm.tsx
@@ -55,7 +55,7 @@
   );
 
   return (
-    <Stack component="form" onSubmit={handleSubmit} direction="row" alignItems="center" spacing="20px">
+    <Stack component="form" onSubmit={handleSubmit} direction="row" alignItems="center" spacing="20px" padding="16px">
       <UploadFileButton />
       <RecordVoiceMessageButton />
       <RecordVideoMessageButton />