* Geomap: add measuring tools
* Add measure type selection
* Add controls and state to measure overlay
* Override tooltip mouse events when menu active
* Move measure tools to top right
* Lay groundwork for units and consolidate measuring
* Create measure vector layer class
* Improve styling to match other overlay controls
* Consolidate styling and use theme2
* Update unit language and add km2
Co-authored-by: Ryan McKinley <ryantxu@gmail.com>
Co-authored-by: nmarrs <nathanielmarrs@gmail.com>