Set system.numConsecutiveWorkflowTaskProblemsToTriggerSearchAttribute to 5 (#8677)

## What changed?
Set `system.numConsecutiveWorkflowTaskProblemsToTriggerSearchAttribute`
to 5 by default following full rollout.

## Why?
validated in latest rollout

## How did you test it?
- [ ] built
- [ ] run locally and tested manually
- [ ] covered by existing tests
- [ ] added new unit test(s)
- [ ] added new functional test(s)

## Potential risks
No, this has already been rolled out

Author: spkane31

common/dynamicconfig/constants.go

@@ -295,9 +295,9 @@ operator API calls (highest priority). Should be >0.0 and <= 1.0 (defaults to 20
 
 	NumConsecutiveWorkflowTaskProblemsToTriggerSearchAttribute = NewNamespaceIntSetting(
 		"system.numConsecutiveWorkflowTaskProblemsToTriggerSearchAttribute",
-		0,
+		5,
 		`NumConsecutiveWorkflowTaskProblemsToTriggerSearchAttribute is the number of consecutive workflow task problems to trigger the TemporalReportedProblems search attribute.
-Setting this to 0 (the default) prevents the search attribute from being set when a problem is detected, and unset when the problem is resolved.`,
+Setting this to 0 prevents the search attribute from being set when a problem is detected, and unset when the problem is resolved.`,
 	)
 
 	// keys for size limit

service/frontend/namespace_handler_test.go

@@ -382,7 +382,7 @@ func (s *namespaceHandlerCommonSuite) TestCapabilities() {
 	s.True(resp.NamespaceInfo.Capabilities.EagerWorkflowStart)
 	s.True(resp.NamespaceInfo.Capabilities.SyncUpdate)
 	s.True(resp.NamespaceInfo.Capabilities.AsyncUpdate)
-	s.False(resp.NamespaceInfo.Capabilities.ReportedProblemsSearchAttribute)
+	s.True(resp.NamespaceInfo.Capabilities.ReportedProblemsSearchAttribute)
 	s.True(resp.NamespaceInfo.Capabilities.WorkerHeartbeats)
 
 	// Second call: Override the default value of dynamic configs.