Show indicator on all sliders

[CoryCharlton]

Description

Set showIndicator to true on all usages of the SliderItem

Related Issue

This PR fixes or closes issue: fixes #1608

Motivation and Context

The current slider behavior is inconsistent. Additionally the lack of a slider can make mobile user challenging when the track and background have similar colors with little contrast.

How Has This Been Tested

Locally in provided Docker configuration.

Types of changes

• 🐛 Bug fix (non-breaking change which fixes an issue)
• 🚀 New feature (non-breaking change which adds functionality)
• 🌎 Translation (addition or update a translation)
• ⚙️ Tech (code style improvement, performance improvement or dependencies bump)
• 📚 Documentation (fix or addition in the documentation)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have tested the change locally.
• I followed the steps if I add a new language .

[piitaya]

Thank for the contribution.
I'm closing the PR as the slider indicator should look like this instead of the white cursor in the regular slider.