[update] Update to Calligra Qt5 branch HEAD
Squashed 'calligra/' changes from 148f4ac..30e8170

30e8170 Look through all part plugins when looking for the correct part

git-subtree-dir: calligra
git-subtree-split: 30e81701c483fa2e63ab153667aa4d63964ef4d6
Merge commit '19740a6f94c1a619fc071e6cdcb11f3a7ef6c662'