Handle missing minutes in timezone offset for filter
Handle missing minutes in timezone offset for filter

Firefox does not handle date string with Date() function when there are not minutes in timezone offset. Fix #1424.

nboisteault/lizmap-web-client,rldhont/lizmap-web-client,nboisteault/lizmap-web-client,rldhont/lizmap-web-client,laurentj/lizmap-web-client,laurentj/lizmap-web-client,3liz/lizmap-web-client,laurentj/lizmap-web-client,rldhont/lizmap-web-client,nboisteault/lizmap-web-client,3liz/lizmap-web-client,nboisteault/lizmap-web-client,3liz/lizmap-web-client,rldhont/lizmap-web-client,laurentj/lizmap-web-client,3liz/lizmap-web-client