lib/*: editorconfig fixes

lib/tests/modules/define-option-dependently.nix

···
   # Always defined, but the value depends on the presence of an option.
   config = {
     value = if options ? enable then 360 else 7;
-  } 
+  }
   # Only define if possible.
   // lib.optionalAttrs (options ? enable) {
     enable = true;