Editing qt project file does not affect projects tab

This is most likely my fault since i have started using qt today.

I was following qt beginers guide (https://wiki.qt.io/Qt_for_Beginners) and in the first step i stumbled upon problem.

When i create new c++ source file either trough file->new file or project or by right clicking the project and add new

new instance of code editor is opened and file is automatically added to sources in my project.pro file. The problem is i cant see the file in the Project->sources and my editor is showing this:

only solution i fugured out is to unload the project and open it again, which is very time consuming when being done for every single file