fix($compile): correct isolate scope distribution to controllers

Fixes an issue when we didn't share the isolate scope with the controller
of the directive from the isolate directive's template when this directive
was replaced onto the isolate directive element.

src/ng/compile.js

@@ -1440,7 +1440,7 @@ function $CompileProvider($provide) {
         if (controllerDirectives) {
           forEach(controllerDirectives, function(directive) {
             var locals = {
-              $scope: directive === newIsolateScopeDirective ? isolateScope : scope,
+              $scope: directive === newIsolateScopeDirective || directive.$$isolateScope ? isolateScope : scope,
               $element: $element,
               $attrs: attrs,
               $transclude: boundTranscludeFn