Scroll to current activity in overview

WIP as it relies on unmerged yet !267 (merged) and has a g_object_set_data (G_OBJECT (toplevel), "activity", activity); line that @guido.gunther will definitely not like :) (this will disappear after reworking PhoshActivity, which is the next thing for me to tackle)

d has a g_object_set_data (G_OBJECT (toplevel), "activity", activity); line that @guido.gunther will definitely not like :)

given the alternatives it's not that bad either ;)

mentioned in merge request !267 (merged)

added 19 commits

• b404e223...2d967c92 - 17 commits from branch Librem5:master
• dd80e5bf - toplevel: Add "activated" property and its getter
• e30e579d - overview: Scroll to currently focused activity

Compare with previous version

resolved all threads

unmarked as a Work In Progress

added 19 commits

• e30e579d...497719a0 - 17 commits from branch Librem5:master
• e3915615 - toplevel: Add "activated" property and its getter
• a8536758 - overview: Scroll to currently focused activity

Compare with previous version

resolved all threads

enabled an automatic merge when the pipeline for a8536758 succeeds

merged

resolved all threads

mentioned in issue #196