refactor: remove wf Exists debug condition

Author: wooln

src/Dtmworkflow/WorkflowGlobalTransaction.cs

@@ -62,11 +62,9 @@ public async Task ExecuteByQS(Microsoft.AspNetCore.Http.IQueryCollection query,
         }
 #endif
 
-        #if DEBUG // for sample only
         public bool Exists(string name)
         {
             return this._handlers.ContainsKey(name);
         }
-        #endif
     }
 }

tests/Dtmworkflow.Tests/WorkflowGlobalTransactionTest.cs

@@ -7,7 +7,6 @@ namespace Dtmworkflow.Tests;
 
 public class WorkflowGlobalTransactionTest
 {
-    #if DEBUG
     [Fact]
     public void Exists()
     {
@@ -34,5 +33,4 @@ public void Exists()
         Assert.False(wf2.Exists("my-wf2"));
         Assert.False(wf2.Exists("my-wf3"));
     }
-    #endif
 }