Add dispatch to fix tree page map buffering

[SurabhiKeesara]

Checklist

• 1. Run yarn run check
• 2. Run yarn run test

Why

Resolves #325

This change adds a map to the tree info page, allowing users to see where the tree exists relative to other trees and the entire map of Boston

This PR

ADDITION TO
#337
#327

Changes include

• Adding a map height parameter to make the height of the map component specifiable depending on where it is called from
• Adding sites and neighborhoods fields to tree props so that the map component can display the entire map of all other sites
• Define a state for the map marker and position
• Add the actual map component to a tree page

Screenshots

Verification Steps

To verify that this works

• Select a site from the home page
• Select 'More Info', open in a new tab
• Note that a map exists on the more info page
• Ensure that the map position on the tree page matches the tree position on the home page