Add bitmap bundle support to BITMAP_SCALE

Change a bunch of buttons and toolbars to use it

Fixes https://gitlab.com/kicad/code/kicad/-/issues/14119

eeschema/dialogs/dialog_plot_schematic.cpp

@@ -67,7 +67,7 @@ DIALOG_PLOT_SCHEMATIC::DIALOG_PLOT_SCHEMATIC( SCH_EDIT_FRAME* parent )
 {
     m_configChanged = false;
 
-    m_browseButton->SetBitmap( KiBitmap( BITMAPS::small_folder ) );
+    m_browseButton->SetBitmap( KiBitmapBundle( BITMAPS::small_folder ) );
 
     m_MessagesBox->SetFileName( Prj().GetProjectPath() + wxT( "report.txt" ) );