Update Feature clustering sample

[prupani-7]

Description

PR to revisit sample to reflect new changes in Kotlin toolkit.

Links and Data

Kotlin issue #3579

What To Review

• Build and run the sample to check for any errors.
• Remove MapViewpointOperation from MapView composable. Geo-compose: Remove ViewpointOperations arcgis-maps-sdk-kotlin-toolkit#316
• Update the MapViewModel to be able to work with the geo-compose module.
• Update Toolkit version.
• Add the line to the "Additional information section": This sample uses the GeoCompose Toolkit module to be able to implement a Composable MapView.
• Replace the application parameter from the MainScreen with the use of LocalContext.current.applicationContext
• Add the tags: geocompose, tookit
• Update the sample's metadata.json file to reflect file and tags changes

How to Test

Run the sample on the sample viewer or the repo.