fix: fix position of UI

Author: coderbyheart

src/Chat/components/ChatWidget.tsx

@@ -1,7 +1,7 @@
 import styled from 'styled-components'
 
 export const ChatWidget = styled.div`
-	position: absolute;
+	position: fixed;
 	z-index: 9999;
 	right: 1rem;
 	bottom: 1rem;

src/chatbutton.ts

@@ -18,7 +18,7 @@ const imageUrl =
 	style.type = 'text/css'
 	style.textContent = `#distribute-aid-chat-button {
         background-color: #3777ec;
-        position: absolute;
+        position: fixed;
         bottom: 1rem;
         right: 1rem;
         border-radius: 100%;