fix(action-sheet): header, subheader, and icon alignment better matches native ios

[liamdebeasi]

Pull request checklist

Please check if your PR fulfills the following requirements:

• Tests for the changes have been added (for bug fixes / features)
• Docs have been reviewed and added / updated if needed (for bug fixes / features)
• Build (npm run build) was run locally and any changes were pushed
• Lint (npm run lint) has passed locally and any fixes were made for failures

Pull request type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other (please describe):

What is the current behavior?

Issue Number: resolves #23317

What is the new behavior?

• Header is now a heavier font weight when a sub header is present
• Increased the font size of the subheader
• Reduced the spacing between the bottom of header and top of subheader
• Increased the spacing between the right edge of the icon and the left of the text in a button

native	master	action-sheet-align

Does this introduce a breaking change?

• Yes
• No

Other information

[liamdebeasi]

The sub header screenshot diff (https://screenshot.ionicframework.com/6bfe1ce/6363d14#diff-9546bcdc) will be addressed by #23318