Change type of checking whether window have on drop possibility.
Reason:
Previously this parameter was checking by class name, so it blocking creating similar objects to miniwindow or inheritance from miniwindow object without changing sources. So it block creating modules with new UI objects working with miniwindowcontainer.
* Fixed NextButton and PreviousButton style
* Little update to SpinBox including dontSignal
* Market cleanup and more check to be safe
* Limit Market amountWindow by player balance
* Set proper maximum amount when creating offers
* Fixed fee label not calculating the correct fee sometimes
- Market now works after reloading
- Fixed button / tab styles
- MarketRightTabBarButton now inherits the base style
- Fixed amountWindow buttons being hardly clickable
- "All" search filter is now on by default
* Begin working on a new layout system for UIMinimap and later UIMap,
this new layout system allows to add widgets to the minimap
* Add option to disable motd
* Rework hotkey binding
* Lots of fixes in hotkeys manager
* Add fullmap view using Ctrl+Shift+M
* Prevent some crashs in ThingType draw
* Add function to load minimap from PNG files
* Fixes in minimap saving
* Fixes in Tile::isClickable
* Add UIMapAnchorLayout, new layout for maps
* Fix freezes in win32 when pressing alt key
* Added 'button' param to g_mouse.bindPress
* Added 'lower' param to table.contains
* UIComboBox:onOptionChange should signalcall?
* Changed the experience bar color
* Market buy/sell 'amount' window will now show the cost
of the amount you are selecting