- Update version to 4.6.9
* Fix will flash on the sw platform
* Fix Category heading is truncated
* Fix Window: When the dock is on the right, the position is not close
* category button support dynamic font size
* backspace do not work in window mode search edit
* Box: search result page has no height adjustment
* dragging icon size error in fullscreen frame
* show launcher on lock
* compile-time option to disable uninstall
* Fix Background:** gradient not update when background changed
* Fix FullScreen: not set origin size
* Fix delete selected text when append new char to search bar
* Fix Mini: replace search widget
* Fix Mini: cannot enter category when not scroll view
* Fix Mini: compatible with Qt5.6 * optimized application list sorting
algorithm on mini mode
* background: refresh background
* Fix update scroll interval
* Fix mini: auto change font size
* fullscreen: support kwin
* focus keyboard switch.
* add DTK version check
* Fix Mini: use DWindowManagerHelper::currentWorkSpaceWindowIdList
* Fix Mini: stop the inertial scrolling of the head and bottom
* Fix cannot launcher app
* Fix Mini: cannot click
* support touch scroll
* check deepin-manual
* Mini: don't hide when using virtual keyboard