[BottomNav] Clipped tabstripitem title content when iconSource specified #7713

Environment

• CLI: 6.0.3
• Cross-platform modules: 6.0.6-next
• Android Runtime: 6.0.1

Describe the bug
TabStripItem title gets clipped when both iconSource and title are specified.

To Reproduce
Erroneous behavior can be observed in e2e/ui-tests-app -> bottom-navigation -> icon-change example

Expected behavior
TabStripItem title should not be clipped in any scenario.

Additional context