Fix two premature disposals of SCWs

The return inside using one is somewhat hiddeous.

Author: MDoerner

Rubberduck.Core/UI/UnitTesting/Commands/AddTestModuleCommand.cs

@@ -143,10 +143,13 @@ private IVBProject GetProject()
 
         protected override bool EvaluateCanExecute(object parameter)
         {
+            bool canExecute;
             using (var project = GetProject())
             {
-                return project != null && !project.IsWrappingNullReference && CanExecuteCode(project);
+                canExecute = project != null && !project.IsWrappingNullReference && CanExecuteCode(project);
             }
+
+            return canExecute;
         }
 
         private bool CanExecuteCode(IVBProject project)

Rubberduck.VBEEditor/SourceCodeHandling/CodePaneSourceCodeHandler.cs

@@ -283,7 +283,8 @@ public CodeString GetCurrentLogicalLine(QualifiedModuleName module)
 
         public Selection GetSelection(QualifiedModuleName module)
         {
-            using (var component = _projectsProvider.Component(module))
+            var component = _projectsProvider.Component(module);
+
             using (var codeModule = component.CodeModule)
             using (var pane = codeModule.CodePane)
             {