fix issue with clearing fields after form submission + fix js error when cleaning up trigger translations

Author: RensTillmann

src/assets/js/backend/create-form.js

@@ -3700,11 +3700,18 @@
                     // Clean up trigger translations where needed
                     var i, json='', nodes = document.querySelectorAll('.sfui-setting [name="i18n"]');
                     for(i=0; i<nodes.length; i++){
-                        json = JSON.parse(nodes[i].value);
-                        if(json[$deleted_i18n]){
-                            delete json[$deleted_i18n];
+                        try {
+                            if(nodes[i].value!==''){
+                                json = JSON.parse(nodes[i].value);
+                                if(json[$deleted_i18n]){
+                                    delete json[$deleted_i18n];
+                                }
+                                nodes[i].value = JSON.stringify(json, undefined, 4);
+                            }
+                        } catch (e) {
+                            // Failed to parse json
+                            nodes[i].value = '';
                         }
-                        nodes[i].value = JSON.stringify(json, undefined, 4);
                     }
                 }
                 if ($('.super-create-form').hasClass('super-translation-mode')) {

src/assets/js/common.js

@@ -6937,6 +6937,8 @@ function SUPERreCaptcha(){
                         element.value = '';
                     }else{
                         innerNodes = field.querySelectorAll('.super-dropdown-list .super-item.super-active');
+                        new_placeholder = '';
+                        new_value = '';
                         for (ii = 0; ii < innerNodes.length; ii++) { 
                             if(new_value===''){
                                 new_value += innerNodes[ii].dataset.value;