ChatComposer: shrink "x" icon, fix pending upload jump

app/soapbox/features/chats/components/chat-textarea.tsx

@@ -35,7 +35,7 @@ const ChatTextarea: React.FC<IChatTextarea> = ({
     `}
     >
       {(!!attachments?.length || isUploading) && (
-        <div className='p-3 pb-0'>
+        <div className='flex p-3 pb-0'>
           {isUploading && (
             <ChatPendingUpload progress={uploadProgress} />
           )}

app/soapbox/features/chats/components/chat-upload.tsx

@@ -56,7 +56,7 @@ const RemoveButton: React.FC<IRemoveButton> = ({ onClick }) => {
       className='flex h-5 w-5 items-center justify-center rounded-full bg-secondary-500 p-1'
     >
       <Icon
-        className='h-4 w-4 text-white'
+        className='h-3 w-3 text-white'
         src={require('@tabler/icons/x.svg')}
       />
     </button>