Update data schema of lock/unlock event

[purplesmoke05]

• Updated the data schema of lock/unlock contract event to classify transfer data derived from Unlock events
• Ref: https://github.com/BoostryJP/ibet-Prime/pull/713

[github-actions[bot]]

Coverage Report •

File	Stmts	Miss	Cover	Missing
app/model/db
__init__.py	19	0	100%
idx_transfer.py	43	1	97%	90
app/model/schema
token.py	195	0	100%
batch
indexer_Transfer.py	236	43	81%	96, 111, 184–189, 245–249, 363, 436, 453–454, 472–473, 476–484, 487–497, 501–504
tests
contract_modules.py	369	26	92%	209–211, 218–220, 327–329, 402–403, 536, 538–539, 648–650, 724–726, 856–857, 860, 944–945, 948
tests/app
token_TransferHistory_Search_test.py	740	0	100%
token_TransferHistory_test.py	543	0	100%
tests/batch
indexer_Transfer_test.py	485	0	100%
TOTAL	41619	1412	96%

Tests	Skipped	Failures	Errors	Time
1400	0 :zzz:	0 :x:	0 :fire:	21m 34s :stopwatch: