Issue 65 - Show Nexttimecard on marker tap

[ReeceBirchmore]

Readded the Next Time Card component as a sheet.

BottomSheet now has new inputs:

• zIndex: number
• disableBackdrop: boolean
• minHeight: number

Tapping a stop opens the sheet Tapping on the 'backdrop'/map closes the sheet and deselects the stop Tapping the close button closes the sheet and deselects the stop Swiping down closes the sheet and deselects the stop

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit 732f217):

https://unibus-test--pr66-65-show-nexttimecard-cwxt4x1k.web.app

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