Activate changes in #4990 and #5034 (#5035)

**What changed?**
Tweak schedule settings to activate changes in #4990 and #5034

**Why?**
Make it work

**How did you test it?**
existing tests

service/worker/scheduler/workflow.go

@@ -193,7 +193,7 @@ var (
 		RecentActionCount:                 10,
 		FutureActionCountForList:          5,
 		RecentActionCountForList:          5,
-		IterationsBeforeContinueAsNew:     500, // TODO: change to 0 to use GetContinueAsNewSuggested
+		IterationsBeforeContinueAsNew:     0,
 		SleepWhilePaused:                  true,
 		MaxBufferSize:                     1000,
 		AllowZeroSleep:                    true,