fix: contrast ratio for warning (microsoft#375)

Author: alex-krasn

src/react/components/pages/modelCompose/modelCompose.scss

@@ -132,8 +132,9 @@ h4 {
 }
 
 .modal-alert {
-    color: #e30202;
+    color: #ff4040;
     font-size: small;
+    margin-bottom: 1rem;
 }
 
 .modal-button-container {