BuildRenewLeasesCommand Should Not Generate Invalid T-SQL with Empty WHERE Clauses

[chlafreniere]

Customer has reported that the SQL Trigger will occasionally try to send T-SQL from

azure-functions-sql-extension/src/TriggerBinding/SqlTableChangeMonitor.cs

Line 953 in 8017275

{

with empty WHERE clauses, which causes SQL failures. Although further retries to build renew lease commands succeed, we should, at a minimum, check that matchCondition is not an empty string before building the T-SQL.

[MaddyDev]

Added a work around #1108