fix: if fields value specified as `*` extract all fields

re #1981

Signed-off-by: Pranav C <pranavxc@gmail.com>

packages/nocodb/src/lib/dataMapper/lib/sql/helpers/getAst.ts

@@ -17,6 +17,8 @@ const getAst = async ({
   view?: View;
 }) => {
   if (!model.columns?.length) await model.getColumns();
+
+  // extract only pk and pv
   if (extractOnlyPrimaries) {
     return {
       ...(model.primaryKeys
@@ -71,7 +73,7 @@ const getAst = async ({
       value = await getAst({
         model,
         query: query?.nested,
-        extractOnlyPrimaries: true
+        extractOnlyPrimaries: nestedFields !== '*'
       });
     }