Don't merge symbols into Any's WHO

When loading precomp files, load_module is called without a GLOBALish, but with
Any instead. In that case, we shouldn't merge globals at all.

src/core/CompUnit/RepositoryRegistry.pm

@@ -197,7 +197,8 @@ RAKUDO_MODULE_DEBUG("Looking in $spec for $name")
                         ),
                     )
                 );
-                GLOBALish.WHO.merge-symbols($compunit.handle.globalish-package.WHO);
+                GLOBALish.WHO.merge-symbols($compunit.handle.globalish-package.WHO)
+                    if GLOBALish !=== Any;
                 $compunit
             }
         } )