Fixes + update sdk to 5.4.47

only load 20 elements each time in chat messages list to improve perf

fix image error ui

black rectangle on unstarted video

fix text edit loses focus when message sent (#LINQT-2009)

try to fix wrong message spinner icon #LINQT-2010

hide security parameters #LINQT-2019

fix open contextual menu component to open settings/help pages #LINQT-2021/2022

fix muted status not visible on local preview #LINQT-2023