zed-editor.tests: fix the eval (#400179)

pkgs/by-name/ze/zed-editor/package.nix

···
 
   withGLES ? false,
   buildRemoteServer ? true,
+  zed-editor,
 }:
 
 assert withGLES -> stdenv.hostPlatform.isLinux;
···
         };
       }
       // lib.optionalAttrs stdenv.hostPlatform.isLinux {
-        withGles = finalAttrs.finalPackage.override { withGLES = true; };
+        withGles = zed-editor.override { withGLES = true; };
       };
   };