Fix T7079 by adding new level 3 icons
* src/dialogs.rc: change resource names of level 2 icons * icons/level-2-old.*: Keep copy of the old level 2 icon files * icons/level-2.*: Rename the old level 3 icons files * icons/level-2-enc.*: Rename the old level 3 icons files * icons/level3.*: New level 3 icons files with two checkmarks * icons/level-3-enc.*: New level 3 icons files with two checkmarks
Add new icons for trustlevel 3 which now show two checkmarks in the
green circle
