Fix QgisForm upload: no rename of the file if it has the same name of the previous one
Fix QgisForm upload: no rename of the file if it has the same name of the previous one

No need to rename the file with an incremental number, if the it has
the same name as the old file. keep the same name, and overwrite the
old file.

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