My inclination would be to:
1) Shorten the long leg--might have to do that at the top where it joins the table.
or
2) Lengthen the short leg, again near the top. You might have to fab a metal bracket.
It's hard to say much more without seeing this table. It's hard to understand how it got that much play in it.
Arctic Fox 25Y Travel Trailer
2018 RAM 2500 6.7L 4WD shortbed
Straightline dual cam hitch
400W Solar with Victron controller
Superbumper