Stages of the activity lifecycle | Useless variable exist.

[Jaehwa-Noh]

URL of codelab

In which task and step of the codelab can this issue be found?

Describe the problem
Line 175 currentDessertIndex seemed to be useless variable.
Because that variable just need a first composition.

We can remove it and can just use to '.first()' method.
Line 178 and Line 181 #25

Steps to reproduce?

1. Go to...
2. Click on...
3. See error...

Versions
Android Studio version: Android Studio Hedgehog | 2023.1.1
API version of the emulator: 34

Additional information
Include screenshots if they would be useful in clarifying the problem.