Fix hard-coded declarations for form parameters (make them be byref instead of byval)

Author: Hosch250

Rubberduck.Parsing/Symbols/FormEventDeclarations.cs

@@ -1,5 +1,4 @@
 using System.Collections.Generic;
-using NLog;
 using Rubberduck.Parsing.VBA;
 using Rubberduck.VBEditor;
 
@@ -8,7 +7,6 @@ namespace Rubberduck.Parsing.Symbols
     public class FormEventDeclarations : ICustomDeclarationLoader
     {
         private readonly RubberduckParserState _state;
-        private readonly Logger _logger = LogManager.GetCurrentClassLogger();
 
         public FormEventDeclarations(RubberduckParserState state)
         {
@@ -103,7 +101,7 @@ private IReadOnlyList<Declaration> AddHiddenMSFormDeclarations(Declaration paren
                 null,
                 string.Empty,
                 false,
-                false);
+                true);
 
             var userFormQueryCloseEventCloseModeParameter = new ParameterDeclaration(
                 new QualifiedMemberName(
@@ -115,7 +113,7 @@ private IReadOnlyList<Declaration> AddHiddenMSFormDeclarations(Declaration paren
                 null,
                 string.Empty,
                 false,
-                false);
+                true);
 
             var userFormResizeEvent = new Declaration(
                 new QualifiedMemberName(