disable map scroll zoom

[jackcarlisle]

ready for review

• disables scrollwheel zoom on the google map component

  530

[jruts]

What a huge commit :fearful:

[nelsonic]

@jackcarlisle (I know it's a pain but) please raise an issue in JIRA before diving into fixing things so that we can show output to the decision makers... thanks! ❤️

[jackcarlisle]

@nelsonic sorry! been in the habit of using github issues, will raise one now