Filtering by block doesn't consider cross-block dependencies for metrics

Specifically, we noticed this while trying to collect coalescing (which lives in the TCP section):

but uses values from the TA (i.e., TA_TOTAL_WAVEFRONTS_sum).

So, if a user does:

omniperf profile -b TCP -n bar -- <foo>
omniperf analyze -p workloads/bar/mi200

the resulting Buffer Coalescing value in the L1 section will be empty.

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