Patch: Various changes to harbour-sailimgur

Various small fixes, changes, and improvements that should make Sailimgur (harbour-sailimgur) less fiddly to use.

(Note: I only tested as non-logged-in user, so the patch might break features for logged-in users.)

Sources: https://github.com/ichthyosaurus/sailfish-public-patch-sources

Discussion: https://openrepos.net/content/ichthyosaurus/patch-various-changes-harbour-sailimgur