Remove __typename from inline fragments in allowlist normalization

Extend the query normalization logic to handle inline fragments by recursively filtering their selection sets, ensuring __typename fields are properly removed from inline fragments as well as regular fields.

Author: tsugitta

server/src-lib/Hasura/RQL/Types/Allowlist.hs

@@ -192,6 +192,9 @@ normalizeQuery =
           else
             let newSelset = filterSelSet $ G._fSelectionSet f
              in Just $ G.SelectionField f {G._fSelectionSet = newSelset}
+      G.SelectionInlineFragment frag ->
+        let newSelset = filterSelSet $ G._ifSelectionSet frag
+         in Just $ G.SelectionInlineFragment frag {G._ifSelectionSet = newSelset}
       _ -> Just s
 
 -- | InlinedAllowlist is the data type with which the allowlist is represented