fix: state error undeclared class hash format (#2053)

[AvivYossef-starkware]

Stack:

• fix: state error unavailable contract address format #2078
• fix: invalid nonce format #2073
• fix: invalid version format #2072
• fix: declare transaction error format #2069
• fix: contract class version mismatch format #2082
• fix: state error undeclared class hash format (#2053) #2081 ⬅

⚠️ Part of a stack created by spr. Do not merge manually using the UI - doing so may have unexpected results.

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This change is 

[AvivYossef-starkware]

Closing pull request: commit has gone away