fix: wait until attach is cleared before saving

frappe/public/js/frappe/form/controls/attach.js

@@ -37,8 +37,8 @@ frappe.ui.form.ControlAttach = class ControlAttach extends frappe.ui.form.Contro
 		if(this.frm) {
 			me.parse_validate_and_set_in_model(null);
 			me.refresh();
-			me.frm.attachments.remove_attachment_by_filename(me.value, function() {
-				me.parse_validate_and_set_in_model(null);
+			me.frm.attachments.remove_attachment_by_filename(me.value, async () => {
+				await me.parse_validate_and_set_in_model(null);
 				me.refresh();
 				me.frm.doc.docstatus == 1 ? me.frm.save('Update') : me.frm.save();
 			});