add pinning script to expose this function

[todo]

fabric-peer-ext/pkg/transientstore/common/common_store_helper.go

Lines 31 to 36 in e68ed45

	// TODO add pinning script to expose this function
	func CreateCompositeKeyForPvtRWSet(txid string, uuid string, blockHeight uint64) []byte {
	var compositeKey []byte
	compositeKey = append(compositeKey, prwsetPrefix)
	compositeKey = append(compositeKey, compositeKeySep)
	compositeKey = append(compositeKey, createCompositeKeyWithoutPrefixForTxid(txid, uuid, blockHeight)...)

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This issue was generated by todo based on a TODO comment in e68ed45. It's been assigned to @fqutishat because they committed the code.