Upstream sync

app/javascript/packs/active_storage_dropzone.js

@@ -12,6 +12,7 @@ class ActiveStorageDropzone {
     var acceptedFiles = $(element).data("accepted-files") || "image/*";
     var dictDefaultMessage = $(element).data("placeholder") || "Drop files here";
     var submitButton = $($(element).data("submit-button"));
+    var maxFileSize = $(element).data("max-file-size");
     var that = this;
 
     this.myDropzone = new this.DropzoneClass(element, {
@@ -20,6 +21,7 @@ class ActiveStorageDropzone {
       acceptedFiles: acceptedFiles,
       parallelUploads: 30,
       dictDefaultMessage: dictDefaultMessage,
+      maxFilesize: maxFileSize,
 
       init: function () {
         this.on("sending", (file, xhr, formData) => {