Auto merge of #17457 - cynicaldevil:trim-parse-node-data, r=nox

Remove target and data fields from parse_node_data

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`parse_node_data` does not need to store `data` and `target`, they can automatically be passed as parameters to the parser operation (`ParseOperation::CreatePI`) that we already create to be processed.

Also, this frees up `process_op` from depending on the sink's `parse_node_data` field, which will later allow for the sink to exist on the parser thread separately.

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