[Qt] Fix fallacies with RPC Console line clearing
[Qt] Fix fallacies with RPC Console line clearing

GregoryBetz/DarkSilk-Release-Candidate,GregoryBetz/DarkSilk,GregoryBetz/DarkSilk-Release-Candidate,GregoryBetz/DarkSilk,GregoryBetz/DarkSilk,GregoryBetz/DarkSilk,GregoryBetz/DarkSilk,GregoryBetz/DarkSilk-Release-Candidate,GregoryBetz/DarkSilk,GregoryBetz/DarkSilk-Release-Candidate,GregoryBetz/DarkSilk-Release-Candidate,GregoryBetz/DarkSilk-Release-Candidate