Upgrade SFE to 1.2.4

package-lock.json

@@ -62,9 +62,9 @@
       }
     },
     "@edx/studio-frontend": {
-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/@edx/studio-frontend/-/studio-frontend-1.2.3.tgz",
-      "integrity": "sha512-u4ADtq/i69e7E9hUIY5juGT9y6oH6kTqbq5Uczc7i/fT8RnNJfQgxgoFzLXtJXfyqQ7CHeuk5OrJrpSxEDfHZA==",
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@edx/studio-frontend/-/studio-frontend-1.2.4.tgz",
+      "integrity": "sha512-R0EDQ4K4d1uhef82756DZ59Zd1yzrctXQ8hclzg1Qq47YxrK8sBP7SeJhAFHduQ0maBQJI4eST+VdC0Qc39J2Q==",
       "requires": {
         "@edx/edx-bootstrap": "0.4.3",
         "@edx/paragon": "2.0.1",

package.json

@@ -4,7 +4,7 @@
   "dependencies": {
     "@edx/edx-bootstrap": "0.4.3",
     "@edx/paragon": "1.7.1",
-    "@edx/studio-frontend": "1.2.3",
+    "@edx/studio-frontend": "1.2.4",
     "babel-core": "6.26.0",
     "babel-loader": "6.4.1",
     "babel-plugin-transform-class-properties": "6.24.1",