fix(VDialog/VMenu/VTooltip): hide wrapper element when not attached

[KaelWD]

Description

Adds display: none to the root element unless it's attached to itself (because then we'd be hiding the content too)

Motivation and Context

fixes #6951
The previous commit 97681ce only helps in an inline context

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 not work as expected)
• Improvement/refactoring (non-breaking change that doesn't add any features but makes things better)