Disable click propagation on zoom control buttons (#5318)
Disable click propagation on zoom control buttons (#5318)

Close #5308.
geoloep/Leaflet,codeator/Leaflet,Ubisense/Leaflet,scaddenp/Leaflet,frogcat/Leaflet,stefanocudini/Leaflet,msiadak/Leaflet,CapeSepias/Leaflet,geoloep/Leaflet,codeator/Leaflet,msiadak/Leaflet,rlugojr/Leaflet,AP-whitehat/Leaflet,stefanocudini/Leaflet,CapeSepias/Leaflet,Leaflet/Leaflet,frogcat/Leaflet,Ubisense/Leaflet,jasonoverland/Leaflet,scaddenp/Leaflet,Leaflet/Leaflet,Ubisense/Leaflet,codeator/Leaflet,AP-whitehat/Leaflet,CapeSepias/Leaflet,frogcat/Leaflet,iZucken/Leaflet,msiadak/Leaflet,jasonoverland/Leaflet,scaddenp/Leaflet,iZucken/Leaflet,geoloep/Leaflet,rlugojr/Leaflet,AP-whitehat/Leaflet,jasonoverland/Leaflet,iZucken/Leaflet,Leaflet/Leaflet,stefanocudini/Leaflet,rlugojr/Leaflet