Also improve code clarity by reordering lines and removing private method, which lead to bug (ex: duplicate action on `setupMegolmBackupButton` in `hideViews(setupMegolmBackupButton, setupMegolmBackupButton, signOutButton, exportManuallyButton)`)
Also improve code clarity by reordering lines and removing private method, which lead to bug (ex: duplicate action on `setupMegolmBackupButton` in `hideViews(setupMegolmBackupButton, setupMegolmBackupButton, signOutButton, exportManuallyButton)`)