Default stylesheets revision + clean-up (#13772)

* Added the new QSS file with images

Added the new QSS file with images

* fixed some disabled colors to be the same everywhere.

* update

* big update fixed the scrollbars and lots more.

* small tweaks

* small fixes

* fixed groupbox in qsint

* Added light classic

This light theme is basicallyt exactly no-stylesheet.

* fixed the tabs

* fixed background reportview

* updated overlay stylesheets

* Added preference settings from Opentheme @obelisk79

* tabbar tweaks

* forgot the gradients on dark

* Overlay stylesheets clean-up +move icon to folder.

* removing old stylesheets

removing old stylesheets

* it was icons not icon, fixed it.

* updated cmake and package.xml

* to many spaces

* removing old theme's

* updated default overlay qss

* removed my settings files

* updated cfg files

* Bunch of fixes

I compiled it and didn't see any issues anymore. Could be some discussions about the new startpage thumbnails.

* fixed up double arrows and the correct logo!

* updated the work file for the icons

* Sets no-stylesheet overlay to a stylesheet.

* type in cmakelist

* type in filename

* oeps did set the dark theme

* Update OverlayManager.cpp

I removed a bit to much reverting this line

* fixed text color issue in Qsint on the light theme and dark background

* Update Light Theme + Dark Background.qss

Fine tuning the treeview it now works good for ligth theme and dark brackgrounds.

* removed prodark added back Behave dark overlay

@Syres916 I deleted the overlay qss behave dark by accident.
But you might want to check this PR out since it changes a lot.

I deleted Pro-dark since it was not updated and is outdated and it looks also a lot like the default dark.

* Update Light Theme + Light Background.qss

Fixes

* small fixes

small fixes

* remove ProDark

* Update CMakeLists.txt

* changed the thumbnails

Also removed teh dimensions in the filename since that got annoying real fast :)

* Updated other overlay stylesheets

* missing extension

* cleanup and some fixes to the overlay.

* Update Dark Theme + Light Background.qss

udpated the dark theme overaly with light background for all you maniacs who use this.

* Title bar fix for windows

This makes it so that it uses black title bar in windows if you have dark mode

* updated white background and some colors

* I think I fix merge issue now.

* Some cleanup on the thumbnails

* Create CMakePresets.json

* idk

* trying to fix conflicts

* removing old themes

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Some fixes for Qsint sketcher toolbars icons

* fixed merge issue with maingui

* trying to fix merge conflicts

* and removing again.

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

src/Main/MainGui.cpp

@@ -156,6 +156,9 @@ int main(int argc, char** argv)
         }
         argv_.push_back(0);  // 0-terminated string
     }
+
+    +  // https://www.qt.io/blog/dark-mode-on-windows-11-with-qt-6.5
+        +_putenv("QT_QPA_PLATFORM=windows:darkmode=1");
 #endif
 
     // Name and Version of the Application