client: made zoom optional in moveMap/moveToExtent When selecting a gauge panning to the location is enough. Zoom shall remain the same. So now, in these functions, you can specify zoom: null and no zooming will happen.

# documentation
**/README*
**/docs
**/*.md

# backend binary
cmd/gemma/gemma

# Dependency directories
**/node_modules

# local dotenv environment variables file
client/.env.local

# Tags tables
**/TAGS