repro(nix): disable `withHoogle` in `nix develop` because it pulls `haskell-nix.compiler`

flake.nix

@@ -346,7 +346,9 @@
 
               # When true, builds a Hoogle documentation index of all dependencies,
               # and provides a "hoogle" command to search the index.
-              withHoogle = true;
+              # FIXME: this currently does not respect `compilerSelection`,
+              # pullint in `haskell-nix.compiler` instead of `haskell.compiler`.
+              withHoogle = false;
             };
 
             # Variants to the default project configuration above.