Fix ExecutionTime rounding when using PostgreSQL (#3952)

Author: alexshtin

common/persistence/sql/sqlplugin/postgresql/visibility.go

@@ -137,6 +137,7 @@ func (pdb *db) InsertIntoVisibility(
 	row *sqlplugin.VisibilityRow,
 ) (sql.Result, error) {
 	row.StartTime = pdb.converter.ToPostgreSQLDateTime(row.StartTime)
+	row.ExecutionTime = pdb.converter.ToPostgreSQLDateTime(row.ExecutionTime)
 	return pdb.conn.ExecContext(ctx,
 		templateCreateWorkflowExecutionStarted,
 		row.NamespaceID,
@@ -160,6 +161,7 @@ func (pdb *db) ReplaceIntoVisibility(
 	switch {
 	case row.CloseTime != nil && row.HistoryLength != nil:
 		row.StartTime = pdb.converter.ToPostgreSQLDateTime(row.StartTime)
+		row.ExecutionTime = pdb.converter.ToPostgreSQLDateTime(row.ExecutionTime)
 		closeTime := pdb.converter.ToPostgreSQLDateTime(*row.CloseTime)
 		return pdb.conn.ExecContext(ctx,
 			templateCreateWorkflowExecutionClosed,