Implement SignalWithStartWorkflowExecutionAsync API

[Shaddoll]

What changed?
Implement SignalWithStartWorkflowExecutionAsync API

Why?
To support new feature

How did you test it?
unit tests

Potential risks

Release notes

Documentation Changes

[coveralls]

Pull Request Test Coverage Report for Build 018d9fa8-75f8-405b-9b1e-38f93e6b0a11

Details

• -46 of 142 (67.61%) changed or added relevant lines in 5 files are covered.
• 60 unchanged lines in 8 files lost coverage.
• Overall coverage increased (+0.05%) to 62.748%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
client/frontend/client.go	0	6	0.0%
service/frontend/wrappers/metered/metered.go	0	8	0.0%
service/frontend/api/handler.go	48	80	60.0%

Files with Coverage Reduction	New Missed Lines	%
common/persistence/sql/sqlplugin/postgres/db.go	2	85.0%
common/persistence/sql/sqlplugin/postgres/task.go	2	73.4%
common/task/fifo_task_scheduler.go	2	85.57%
common/util.go	2	91.69%
common/persistence/nosql/nosqlplugin/cassandra/workflow.go	3	59.1%
common/persistence/nosql/nosql_execution_store.go	9	60.98%
common/persistence/nosql/nosqlplugin/cassandra/workflow_parsing_utils.go	20	79.13%
service/history/task/task_util.go	20	70.57%

Totals
Change from base Build 018d9f74-9e07-43d7-b5c0-4148e6f476a8:	0.05%
Covered Lines:	92596
Relevant Lines:	147569

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💛 - Coveralls

[taylanisikdemir]

Once you merge I'll update #5658 to support SignalWithStartWorkflowExecution