Fix root fragment is not being displayed after we call resetCurrentTa…

[MertNYuksel]

Fix root fragment is not being displayed after we call resetCurrentTab following activity recreation

We were creating a new fragment instead of using the fragment tag that's already in FragmentManager

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Description

• Switch Tab
• Start a new fragment
• Trigger activity recreation or process death
• Click reset current tab without resetting root
• Ensure that root fragment is displayed properly

Motivation and Context

How Has This Been Tested?

Manual and with an instrumentation test.

Screenshots (if appropriate):

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.