source: josm/trunk/resources/images/preference.svg

see #15240 - Change some png icons to svg:

• bug, ​https://publicdomainvectors.org/en/free-clipart/Sad-yellow-face/51889.html, modified, PD and CC0 licensed
• preference, preference_small, derived from png, PD and CC0 licensed
• dialogs/mappaintpreference, derived from dialogs/mapstyle and new preference, PD and CC0 licensed
• preferences/map, ​https://freesvg.org/folded-map, resized, PD and CC0 licensed
• preference/connection, is help/internet, original ​https://commons.wikimedia.org/wiki/File:Gnome-emblem-web.svg, modified, from GNOME Project, LGPL licensed
• splitway, mapmode/move/move, self created based on internal svgs, PD and CC0 licensed

• improve icons: ok, dialogs/sort, dialogs/sort_below, dialogs/reverse, mergenodes, unglueways, combineway