Added record_metadata_fields_to_span macro to common crate #946

Job	Run time
Formatting and Quality	4m 59s
Components (nexus-writer) / Build	3m 54s
Components (simulator) / Build	3m 33s
Components (diagnostics) / Build	3m 38s
Components (digitiser-aggregator) / Build	3m 47s
Components (trace-archiver-hdf5) / Build	8m 33s
Components (trace-archiver-tdengine) / Build	9m 8s
Components (trace-reader) / Build	3m 31s
Components (trace-to-events) / Build	6m 32s
	47m 35s

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