default: fix selfPath being provided wrongly

i applied f8a0c6a50c to the wrong if branch

default.nix

@@ -37,9 +37,11 @@ let
   selfInStore = if selfInStore'.success then selfInStore'.value else gitlessSelfInStore;
 in
 if !(evaluatingInStore) then { ... }@args: import selfInStore ({
+  selfPath = selfInStore;
+} // args )
+else { ... }@args: import ./outputs.nix ({
   selfPath = {
     outPath = builtins.toString ./.;
     selfMode = "store";
   };
-} // args )
-else { ... }@args: import ./outputs.nix ({ selfPath = selfInStore; } // args)
+} // args)