Do not throw exceptions in Dispose

Author: kjnilsson

projects/client/RabbitMQ.Client/src/client/impl/AutorecoveringConnection.cs

@@ -750,21 +750,13 @@ void IDisposable.Dispose()
             {
                 Abort();
             }
-            finally
+            catch(Exception)
             {
-                m_models.Clear();
+                // TODO: log
             }
-            if (ShutdownReport.Count > 0)
+            finally
             {
-                foreach (ShutdownReportEntry entry in ShutdownReport)
-                {
-                    if (entry.Exception != null)
-                    {
-                        throw entry.Exception;
-                    }
-                }
-
-                throw new OperationInterruptedException(null);
+                m_models.Clear();
             }
         }
 

projects/client/RabbitMQ.Client/src/client/impl/Connection.cs

@@ -1240,9 +1240,9 @@ public void HandleConnectionUnblocked()
 
         void IDisposable.Dispose()
         {
-            MaybeStopHeartbeatTimers();
             try
             {
+                MaybeStopHeartbeatTimers();
                 Abort();
             }
             catch (OperationInterruptedException)