Icu 11057 update shell styles (#1900)

* refactor: 💡 add border-radius and padding to desktop shell

✅ Closes: ICU-11057

* refactor: 💡 update padding to padding-left

ui/desktop/app/styles/app.scss

@@ -652,3 +652,13 @@ $chevron-down: url("data:image/svg+xml;utf-8,<svg viewBox='0 0 24 24' fill='%231
     border-radius: 0 0 5px 5px;
   }
 }
+
+#terminal-container {
+  .terminal.xterm .xterm-viewport {
+    border-radius: 8px;
+  }
+
+  .xterm-rows {
+    padding-left: 0.5rem;
+  }
+}