BA award ticket on ex-bmi flights confusion

I needed to get to Dublin later in August and decided to use some Avios. Although a terribly short flight I decided to treat myself to Club, if only to see what it was like.

Having selected the flights, booking, paying the fee and choosing my seats I received confirmation by email of my ticket being issued:

Odd.

It says Economy and bmi as the Operating Carrier.

The seats seem OK:

so I imagine it’s just post-merger problems.