Form-field: Wrap the label/error message when it is too long.

ui/scss/component/_form-field.scss

@@ -94,6 +94,13 @@ fieldset-group {
     fieldset-section:last-child {
       width: 100%;
 
+      label {
+        // Overwrite the input's label to wrap instead. This is usually
+        // an error message, which could be long in other languages.
+        width: 100%;
+        white-space: normal;
+      }
+
       input {
         border-left: 0;
         border-top-left-radius: 0;