Fix adding a new column after import

Author: danniel

api/paul_api/api/views.py

@@ -208,7 +208,7 @@ def create(self, request):
             )
             csv_field_map = models.CsvFieldMap.objects.create(
                 table=table,
-                original_name=field["original_name"],
+                original_name=field["original_name"] or field["display_name"],
                 display_name=field["display_name"],
                 field_type=field["field_type"],
                 field_format=field["field_format"],

client/src/views/TableEdit.vue

@@ -178,6 +178,7 @@ export default {
   methods: {
     addColumn() {
       this.fields.push({
+        original_name: null,
         display_name: null,
         field_type: null,
         field_format: null