You mean until the icon bug returns, if it does? I cannot say, I'm not even using Cinnamon, so you'll know better than I. All I know is that in a live environment of the 19.2 .iso it happens instantly with the official version - across several restarts of mintupdate it either showed no icon at all or just the quarter of it, but never the whole thing until I went into panel edit mode or whatever the workaround mentioned above was.
But should it ever return even with my version there's even something else you can try, in Preferences check "Use AppIndicator for tray icon", that'll make it use a different way of displaying the icon.
Heh, the packages with the "unstable" versions are actually all identical to the 19.2 release versions, but I cannot just rename them. Take it as a reminder that it's a PPA I guess. My typical release cycle is weekly, not 6-monthly, which may or may not impact stability (you be the judge).