Fix/ AC console - Show correct meta review when there are multiple

[xkopenreview]

currently AC console shows the first meta review because it assumes there are only 1 meta review which is not always true.

this pr should add checking of meta review signature so that the AC console shows the meta review of the logged in user (AC)

[celestemartinez]

Looks good! The logged in AC can see their recommendation in the AC console.

[enrubio]

What about the recommendation values that are shown in the SAC and PC consoles? I feel like it's weird/inconsistent to show the recommendations for some papers, but not others even when the meta review is submitted. Right now we only show them if it was posted by the AC:

The AC console does look as expected. But in the case of AAAI where there are multiple invitees to the meta review invitation but only 1 note is expected, I feel it would be confusing to show Submit to the AC when they actually have no action. For context, Paper 2's meta review was submitted by the SAC:

So I'm not sure how AAAI's workflow fits with these changes. But that's my main concern.

[xkopenreview]

@enrubio pc and sac console would show multiple meta reviews
if another user , for example the pc is submitting meta review on behalf of the AC i think they are supposed to use the AC's signature.

for AC console maybe it can have a new config to decide whether to skip the signature comparison so it would work the case that there are multiple assigned ACs but only one meta review is required