KDE Applications 21.04.0

• Fix crash when using a color scheme with random colors
• Use inverted colours when calculated fancy BG has too low contrast
• Improve appearance of text selection by blending foreground & background
• Pressing ESC when the search bar is unfocused should not close search bar
• Reflow lines when terminal resizes
• EditProfileDialog: add combobox to select custom text editor
• EditProfileDialog: add GUI to change the terminal bell mode
• Update to Unicode 13.0.0
• SessionContoller: fix crash when closing session from Konsole KPart
• Add menu items Enlarge / Shrink Fonts
• Convert files to use SPDX license/copyright