Self-host: auto `clojure`->`cljs` aliasing doesn't work when loading macros

See regression

fixed https://github.com/clojure/clojurescript/commit/d4db18970c8eec587b2c9e022034983e29eb8e81

I can confirm downstream Planck passes all of its tests with the patch and this works:

while without the patch the issue is exhibited:

Attached patch with fix & test.