Fix/search results event times

[stephiescastle]

Checklist

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Description

Addresses:

• https://github.com/nasa-jpl/www-frontend/issues/1729

Changes:

• passes startDatetime and endDatetime props in elastic search listings
• updates EventCard story to use accurate data. Originally had data that was formatted differently, so it would appear to "work" in Storybook.

Instructions to test

Easiest to test once this is integrated in WWW but can also check storybook:

1. make vue-storybook
2. view http://localhost:6006/?path=/story/components-cards-searchresultcards--event-card

Tested in the following environments/browsers:

Operating System

• macOS
• iOS
• iPadOS
• Windows

Browser

• Chrome
• Firefox ESR
• Firefox
• Safari
• Edge