Extract plot drawing from View.

server/TracyView.hpp

@@ -388,6 +388,8 @@ private:
     }
 
     void AdjustThreadHeight( View::VisData& vis, int oldOffset, int& offset );
+    float AdjustThreadPosition( View::VisData& vis, float wy, int& offset );
+
     void DrawHistogramMinMaxLabel( ImDrawList* draw, int64_t tmin, int64_t tmax, ImVec2 wpos, float w, float ty );
     static int64_t AdjustGpuTime( int64_t time, int64_t begin, int drift );