[Pkg-matrix-maintainers] Bug#962998: build fixed with help from Nilesh

[Pirate Praveen]

But when running it fails to display any room and console has the 
errors messages

Warning: Ignoring XDG_SESSION_TYPE=wayland on Gnome. Use 
QT_QPA_PLATFORM=wayland to run on Wayland anyway.
ssl3 ext invalid servername
ssl3 ext invalid servername
[2020-06-17 18:57:53.321] [qml] [warning] 
qrc:/qml/TimelineView.qml:28:5: Type EmojiPicker unavailable 
(qrc:/qml/TimelineView.qml:28, )
[2020-06-17 18:57:53.321] [qml] [warning] 
qrc:/qml/emoji/EmojiPicker.qml:2:1: module "QtQuick.Controls" version 
2.9 is not installed (qrc:/qml/emoji/EmojiPicker.qml:2, )
[2020-06-17 18:57:53.458] [db] [info] restoring state from cache
[2020-06-17 18:57:53.481] [db] [info] sessions restored
[2020-06-17 18:57:53.482] [db] [info] loading 538 rooms
[2020-06-17 18:57:53.533] [ui] [info] jdenticon plugin not found.
[2020-06-17 18:57:53.574] [ui] [info] starting nheko 0.7.2
error:Invalid event type: [json.exception.out_of_range.403] key 
'redacted_by' not found {