fix: data column in SQL lab left panel open by default (#13624)

* fix table expand

* Left Panel Expand

* added tests

Co-authored-by: Elizabeth Thompson <eschutho@gmail.com>

superset-frontend/src/SqlLab/actions/sqlLab.js

@@ -1068,7 +1068,7 @@ export function addTable(query, tableName, schemaName) {
         ...table,
         isMetadataLoading: true,
         isExtraMetadataLoading: true,
-        expanded: false,
+        expanded: true,
       }),
     );