* Dungeons: added dungeon name hint to room's game log and choices (part of #12274);
* GUI, game: added card popup hints support in feedback panel (yes/no choices);
* Images: fixed miss images for dungeons in command zone, game logs and choice dialogs;
- GUI: added non-blocking UI to almost all app and game dialogs;
- GUI: it allows to switch between UI dialogs and use any UI elements at any moment;
- GUI: it allows to use chat, card popup, battlefield, concede and other features while choosing (related to #12670);
- GUI: it allows to download images while playing (related to #4160, not fully tested);
- GUI: enabled by default, can be disabled by java option: -Dxmage.guiModalMode=true
- connection: auto-connect will be visible in main menu on startup;
- connection: removed some unused features (auto-connect by command line);
- connection: added <ESC> button to close connection dialog;
- download: added background images download (see non-blocking UI);
- download: improved cancel stability and fixes that it can't stop preparing/downloading process in some use cases;
- app: fixed freezes on macOS systems in some use cases (related to #12431, #11292, #9300, #4920);
- fixed wrong restore of card hint and chat panels;
- now it keep hidden state too (e.g. hidden card hint);
- reworked and share splitters code;
- removed some useless hotkeys to show/hide card hint panel;
- added splitter/divider between hand and stack zone;
- users can resize it by mouse drag;
- users can hide/minimize hand or stack zones by mouse clicks on splitter arrows;
- splitter settings shared between games and stored between app runs;
- download: fixed unmount zip errors on cancel download in some use cases (closes#12536);
- download: significant download speed improvements (now it depends on user's network speed, not api limitations);
- download: added additional error dialogs on bad use cases;
- scryfall: added cards and bulk data api support;
- scryfall: added bulk data download (updates once per week, contains all scryfall cards and store in images\downloading folder, 2 GB size);
- scryfall: added optimized images download without api usage (use direct images links from bulk data, closes#11576);
- scryfall: improved image source searching for some use cases (miss or wrong images problems, closes#12511);
- scryfall: tokens don't use bulk data;
- scryfall: 75k small images downloads 40 minutes and takes 1 GB and 2100 api calls (most of it from tokens);
- scryfall: how-to disable bulk data, e.g. for api testing: -Dxmage.scryfallEnableBulkData=false
