Fix icon size of the WB combobox, fix unsensitive button color,

fix progress bar, fix folder line spacing.
See PR #5215

rtgui/rtwindow.cc

@@ -96,12 +96,7 @@ RTWindow::RTWindow ()
 {
 
     cacheMgr->init ();
-    RTScalable::init(this);
-    RTSurface::init();
-    RTImage::init();
-    WhiteBalance::init();
     ProfilePanel::init (this);
-    MyExpander::init();
 
     // ------- loading theme files
 
@@ -239,6 +234,12 @@ RTWindow::RTWindow ()
 
     // ------- end loading theme files
 
+    RTScalable::init(this);
+    RTSurface::init();
+    RTImage::init();
+    WhiteBalance::init();
+    MyExpander::init();
+
 #ifndef WIN32
     const std::vector<Glib::RefPtr<Gdk::Pixbuf>> appIcons = {
         RTImage::createPixbufFromFile("rawtherapee-logo-16.png"),

rtgui/whitebalance.cc

@@ -35,11 +35,6 @@ using namespace rtengine;
 using namespace rtengine::procparams;
 
 Glib::RefPtr<Gdk::Pixbuf> WhiteBalance::wbPixbufs[toUnderlying(WBEntry::Type::CUSTOM) + 1];
-/*
-Glib::RefPtr<Gdk::Pixbuf> WhiteBalance::wbCameraPB, WhiteBalance::wbAutoPB, WhiteBalance::wbSunPB, WhiteBalance::wbTungstenPB,
-                          WhiteBalance::wbCloudyPB, WhiteBalance::wbShadePB, WhiteBalance::wbFluorescentPB, WhiteBalance::wbLampPB,
-                          WhiteBalance::wbFlashPB, WhiteBalance::wbLedPB, WhiteBalance::wbCustomPB;
-*/
 
 void WhiteBalance::init ()
 {