Add Job Queue reliability and scheduling guidance (#148)

* knowledge(performance): add job queue reliability guidance

* Address Job Queue review feedback

* Address Job Queue routing review feedback

* Encode job queue conflict in fixtures

microsoft/knowledge/performance/job-queue-on-hold-does-not-stop-running-work.good.al

@@ -0,0 +1,49 @@
+table 50114 "Job Cancellation Control"
+{
+    DataClassification = SystemMetadata;
+
+    fields
+    {
+        field(1; "Job Queue Entry ID"; Guid)
+        {
+        }
+        field(2; "Stop Requested"; Boolean)
+        {
+        }
+    }
+
+    keys
+    {
+        key(PK; "Job Queue Entry ID")
+        {
+            Clustered = true;
+        }
+    }
+}
+
+codeunit 50114 "Job Queue On Hold Good"
+{
+    TableNo = "Job Queue Entry";
+
+    trigger OnRun()
+    begin
+        while not IsStopRequested(Rec.ID) do
+            if not ProcessNextBatch() then
+                exit;
+    end;
+
+    local procedure IsStopRequested(JobQueueEntryId: Guid): Boolean
+    var
+        JobCancellationControl: Record "Job Cancellation Control";
+    begin
+        if not JobCancellationControl.Get(JobQueueEntryId) then
+            exit(false);
+
+        exit(JobCancellationControl."Stop Requested");
+    end;
+
+    local procedure ProcessNextBatch(): Boolean
+    begin
+        exit(false);
+    end;
+}