eth: added trace_call to trace on top of arbitrary blocks (#21338)

* eth: Added TraceTransactionPending

* eth: Implement Trace_Call, remove traceTxPending

* eth: debug_call -> debug_traceCall, recompute tx environment if pruned

* eth: fix nil panic

* eth: improve block retrieving logic in tracers

* internal/web3ext: add debug_traceCall to console