If that's the case, it's a bit of an ugly hack but you could make a wrapper script placed in /usr/local/bin/inkscape like this:
/usr/local/bin/inkscape
#!/bin/bash flatpack run org.inkscape.Inkscape ${*}
(the ${*} will pass along all the arguments that the wrapper script was called with)
${*}
If that's the case, it's a bit of an ugly hack but you could make a wrapper script placed in
/usr/local/bin/inkscapelike this:(the
${*}will pass along all the arguments that the wrapper script was called with)