Round zoom level value in block controls (#29334)

* Cherry-pick hook

* Cherry-pick

* WIP

* Markers & info window

* WIP useEffect dependency cleanup

* - MapRef for resizing
- Better zooming for multiple markers

* Some cleanup

* - Disable zoom control on map when we have more than 1 point

* Sane defaults when adding a map

* Remove TODO

* Add changelog

* Merge with location search

* Make check for mapRef more compact

* Rename createCalloutElement to createCalloutElementCallback

* Update style code styling

* Remove todo and add linebreak between import & function call

* Code style fix

* InfoWindow renaming

* Remove commented out console.log

* Mapkit doesn't have id's for places returned, so create one

* Fix resizing doing bad things

* Round zoom value

projects/plugins/jetpack/extensions/blocks/map/controls.js

@@ -137,7 +137,7 @@ export default ( {
 						)
 					}
 					disabled={ attributes.points.length > 1 }
-					value={ attributes.zoom }
+					value={ Math.round( attributes.zoom ) }
 					onChange={ value => {
 						setAttributes( { zoom: value } );
 						if ( mapRef.current && mapRef.current.updateZoom ) {