(#2105) Updates modal component events

[dlescarbeau]

• removes events for overlap and escape key close
• custom close event now passes the close action to the event details

Closes #2105

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[github-actions]

Viewing Information

• The documentation site
• NCIDS JS Documentation
• The storybook site
• The example site

[adrianacastaneda]

Looks good. Reviewed that the modal worked correctly on both the documentation site and storybook PR links