Get form Id for validation context

Author: harryadel

lib/client/fileUpload.js

@@ -148,7 +148,7 @@ Template.afFileUpload.events({
       const upload = template.collection.insert(opts, false);
       let ctx;
       try {
-        ctx = AutoForm.getValidationContext(template.formId);
+        ctx = AutoForm.getValidationContext($(e.target).closest("form").attr('id'));
       } catch (exception) {
         // Fix: "TypeError: Cannot read property '_resolvedSchema' of undefined"
         ctx = AutoForm.getValidationContext();