[API] Override dialogService in actions

An ugly hack to allow dialogs to be shown for Save As
and Edit Properties, without requiring form generation.
This will permit views to be shown instead in certain
cases, https://github.com/nasa/openmct/pull/999#issuecomment-236045158

src/adapter/actions/ActionDialogDecorator.js

@@ -0,0 +1,20 @@
+define([], function () {
+    function ActionDialogDecorator(actionService) {
+        this.actionService = actionService;
+    }
+
+    ActionDialogDecorator.prototype.getActions = function (context) {
+        return this.actionService.getActions(context).map(function (action) {
+            if (action.dialogService) {
+                action.dialogService = Object.create(action.dialogService);
+                action.dialogService.getUserInput = function (form, value) {
+                    window.alert("Get user input!");
+                    return Promise.resolve(value);
+                }
+            }
+            return action;
+        });
+    };
+
+    return ActionDialogDecorator;
+});

src/adapter/bundle.js

@@ -1,10 +1,12 @@
 define([
     'legacyRegistry',
+    './actions/ActionDialogDecorator',
     './directives/MCTView',
     './services/Instantiate',
     './capabilities/APICapabilityDecorator'
 ], function (
     legacyRegistry,
+    ActionDialogDecorator,
     MCTView,
     Instantiate,
     APICapabilityDecorator
@@ -41,6 +43,11 @@ define([
                     depends: [
                         "$injector"
                     ]
+                },
+                {
+                    type: "decorator",
+                    provides: "actionService",
+                    implementation: ActionDialogDecorator
                 }
             ]
         }