v5.4.0

• full update of the mimetypes icons - only 16px size (including symbolic folder), scalable folder is untouched (please refer to description of version 5.3 release)
• actions, devices and places (and mimetypes of course) monochrome icons received "current-color-scheme" id that is used in KDE to auto change colour depending the global theme, next versions will be dedicated to panels and apps folders respectively with that id already added,
• modified emblem/symbolic, some icons were used as regular icons in KDE,
• cleaned devices from icons that are already in panel folder + small changes,
• added a lot of new icons for actions + small changes