Merge pull request #1861 from Hosch250/Issue1851

Fix bug where userform events are loaded without FormEvents being loaded

Author: Hosch250

Rubberduck.Parsing/Symbols/FormEventDeclarations.cs

@@ -27,6 +27,11 @@ public IReadOnlyList<Declaration> Load()
                 }
             }
 
+            if (formsClassModule == null)
+            {
+                return new List<Declaration>();
+            }
+
             return AddHiddenMSFormDeclarations(formsClassModule);
         }