fix(nodes): fix inpaint cond logic for new compel version (#3816)

## What type of PR is this? (check all applicable)

- [ ] Refactor
- [ ] Feature
- [x] Bug Fix
- [ ] Optimization
- [ ] Documentation Update


## Have you discussed this change with the InvokeAI team?
- [x] Yes
- [ ] No, because:

      
## Description

Fixes a bug in the `inpaint` node introduced by the new version of
`compel`. The other nodes were updated, but this one was missed. Fixed
by @StAlKeR7779 ty

## Related Tickets & Documents

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- Related Issue # discord reports
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## QA Instructions, Screenshots, Recordings

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## Added/updated tests?

- [ ] Yes
- [x] No : n/a, bugfix

invokeai/app/invocations/generate.py

@@ -147,8 +147,12 @@ class InpaintInvocation(BaseInvocation):
         )
 
     def get_conditioning(self, context):
-        c, extra_conditioning_info = context.services.latents.get(self.positive_conditioning.conditioning_name)
-        uc, _ = context.services.latents.get(self.negative_conditioning.conditioning_name)
+        positive_cond_data = context.services.latents.get(self.positive_conditioning.conditioning_name)
+        c = positive_cond_data.conditionings[0].embeds
+        extra_conditioning_info = positive_cond_data.conditionings[0].extra_conditioning
+
+        negative_cond_data = context.services.latents.get(self.negative_conditioning.conditioning_name)
+        uc = negative_cond_data.conditionings[0].embeds
 
         return (uc, c, extra_conditioning_info)