Contract Accounts Nonces Externalization

[MiroslavGatsanoga]

This epic contains items for Contract Accounts Nonces Externalization HIP.

0.38 B:

• Add design doc for contract accounts nonces externalization #6513

0.39 A/B:

• Add feature flag for contract nonce externalization in transaction handling #6720

0.40 A/B:

• Add contract nonces related fields hedera-protobufs#257
• Add contract to hollow account merge e2e test for multi-create contract #6942
• Update the nonce of the contract account for every CREATE opcode executed from it #3640
• ContractCall resets contract's nonce to zero #6961
• Calculate and set the CREATE1 address for internally created contracts #7124
• Update HIP's design doc #7126
• When merging CREATE2 contract into hollow account set the nonce to the contract nonce value #7326
• Enable feature flag for contract nonce externalization #7424

[MiroslavGatsanoga]

Closing this epic as all related items to it are done.