Fix #27393: Fix explorer inputbox alignment

[garymathews]

• Fix for UX: align file names when renaming #27393, supersedes Fix for issue #27393 - UX: align file names when renaming #60029
• Amends inputbox alignment for all supported platforms when in edit mode

TEST CASE

• Rename a file in Explorer
• Filename should not shift when switching between edit mode

[isidorn]

Thanks for the PR, it is good, and works nicely on OS X.
On windows now the item is not pushed, however the blue top focus border is eaten up becuase the top is moved by -1px. This looks broken.
Can we fix this in some other way such that the focus does not get eaten away.
For me it feels like the actual issue is that the element is not properly centered in the input box when we start renaming.

[garymathews]

@isidorn Updated PR based on review feedback for Windows changes.

[isidorn]

Good job, works nice now.
Thanks a lot