Hi,
I have tried your flightplan WSSS - OMDB in the Inibuilds A350 v1.07 -, and all is working normally:
My flightplan in SimBrief:
… after I imported it in the EFB and click on “CPNY F-PLN REQUEST”
… press the INSERT, and that’s the result - exactly what I had planned:
Can´t reproduce it, sorry … you see, it´s working as expected.
Cheers,
Richard