Windows GUIs: Icons for dark mode

[cjee21]

1. edit SVG to invert black and white parts
2. generate PNG from SVG with GIMP
3. generate assets with Visual Studio
4. manually combine and rename light/dark mode assets
5. edit manifest and regenerate pri as necessary

[cjee21]

Only done for Qt GUI for now to test.

It works on Windows 11:

[cjee21]

Ok, let's see if this works. I have moved all images to resources folder. It will now copy images and generate the pri when building.

Need to test on Windows 10 with all possible tile sizes on both light and dark to ensure all is well. I cannot build the installer locally anymore and also no space for a Windows 10 VM. The Qt fully packaged MSIX should be tested on Windows 10 as well but that is difficult since there is no signed build from the build farm yet.

[cjee21]

Oh wait, the assets got messed up when moving due to similar folder names just now.

[cjee21]

Ok now.

[cjee21]

Argh copy paste mistake. Should be really OK now.

[JeromeMartinez]

Only done for Qt GUI for now to test.

I don't build the Qt package on Windows yet, could you share a build? And/or add the support of the BCB version? (I would understand if you prefer no to do it, but I try :) ).

[cjee21]

I don't build the Qt package on Windows yet, could you share a build? And/or add the support of the BCB version? (I would understand if you prefer no to do it, but I try :) ).

That is old comment. Now this PR is for both Qt and BCB.

The Qt one I already tested on Windows 11. I can share build but the unsigned build cannot be installed on Windows 10.