Merge pull request #7873 from Budibase/bug/column-name-other-table-validation

Don't show validation error for existing relationship

packages/builder/src/components/backend/DataTable/modals/CreateEditColumn.svelte

@@ -314,7 +314,7 @@
       const relatedTable = $tables.list.find(
         tbl => tbl._id === fieldInfo.tableId
       )
-      if (inUse(relatedTable, fieldInfo.fieldName)) {
+      if (inUse(relatedTable, fieldInfo.fieldName) && !originalName) {
         newError.relatedName = `Column name already in use in table ${relatedTable.name}`
       }
     }