chore: Update Tearsheet styles (PR feedback)

Apply batched suggestions from code review

From: @mcoker

Co-authored-by: Michael Coker <35148959+mcoker@users.noreply.github.com>

Author: GAUNSD

packages/module/src/Tearsheet/Tearsheet.tsx

@@ -26,21 +26,18 @@ const useStyles = createUseStyles({
       maxWidth: 'calc(100% - 2rem) !important',
       height: 'calc(100% - 6rem) !important',
       maxHeight: 'calc(100% - 6rem) !important',
-      insetBlockStart: '3rem !important',
     },
     '&.pf-m-stack-level-2': {
       width: 'calc(100% - 0rem) !important',
       maxWidth: 'calc(100% - 0rem) !important',
       height: 'calc(100% - 8rem) !important',
       maxHeight: 'calc(100% - 8rem) !important',
-      insetBlockStart: '4rem !important',
     },
     '&.pf-m-stack-hidden': {
       width: 'calc(100% - 4rem) !important',
       maxWidth: 'calc(100% - 4rem) !important',
       height: 'calc(100% - 4rem) !important',
       maxHeight: 'calc(100% - 4rem) !important',
-      insetBlockStart: '3rem !important',
       opacity: '0 !important',
       pointerEvents: 'none !important',
     },