Fix NREs & bump version

Author: SergeiPavlov

Orm/Xtensive.Orm/Orm/Session.QueryTasks.cs

@@ -79,7 +79,7 @@ private bool ProcessInternalDelayedQueries(bool allowPartialExecution)
         return true;
       }
       finally {
-        internalQueryTasks.Clear();
+        internalQueryTasks?.Clear();
       }
     }
 
@@ -95,7 +95,7 @@ await Handler.ExecuteQueryTasksAsync(
         return true;
       }
       finally {
-        internalQueryTasks.Clear();
+        internalQueryTasks?.Clear();
       }
     }
 
@@ -110,7 +110,7 @@ private bool ProcessUserDefinedDelayedQueries(bool allowPartialExecution)
         return true;
       }
       finally {
-        userDefinedQueryTasks.Clear();
+        userDefinedQueryTasks?.Clear();
       }
     }
 

Version.props

@@ -2,7 +2,7 @@
 <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
 
 <PropertyGroup>
-    <DoVersion>7.2.0.103</DoVersion>
+    <DoVersion>7.2.0.104</DoVersion>
     <DoVersionSuffix>servicetitan</DoVersionSuffix>
 </PropertyGroup>