Storing a modified claim with allocation and the original resource version in
the assume cache was not reliable: if an update was received, it replaced the
modified claim and the resource that was reserved for the claim might have been
used for some other claim.
To fix this, the in-flight claims are now stored in the map instead of just a
boolean and the status stored there overrides whatever is in the assume cache.
Logging got extended to diagnose this problem better. It started to occur in
E2E tests after splitting the claim update so that first the finalizer is set
and then the status, because setting the finalizer triggered an update.
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