[INTERNAL][FIX] sap.m.StabdartListItem fixing moving delete button on hover

- Added transparent border to fix, moving by one pixel image which is set via ::before element.

Change-Id: I51715b92ba2ceecf584455d8a0e317811dd46828
Merge "[INTERNAL][FIX] sap.m.StabdartListItem fixing moving delete button on hover"