fix(tools): make the editing steps tool keep the challenge type (#54308)

tools/challenge-helper-scripts/create-project.ts

@@ -164,6 +164,7 @@ async function createFirstChallenge(
   return createStepFile({
     projectPath: newChallengeDir + '/',
     stepNum: 1,
+    challengeType: 0,
     challengeSeeds
   });
 }