refactor(@angular/cli): use smart default instead of overwriting args

Author: hansl

packages/angular/cli/commands/new-impl.ts

@@ -44,11 +44,13 @@ export class NewCommand extends SchematicCommand {
       collectionName = this.parseCollectionName(options);
     }
 
+    // Register the version of the CLI in the registry.
     const packageJson = require('../package.json');
-    options.version = packageJson.version;
+    const version = packageJson.version;
 
     // Ensure skipGit has a boolean value.
     options.skipGit = options.skipGit === undefined ? false : options.skipGit;
+    this._workflow.registry.addSmartDefaultProvider('ng-cli-version', () => version);
 
     return this.runSchematic({
       collectionName: collectionName,

packages/schematics/angular/ng-new/schema.json

@@ -90,7 +90,10 @@
     "version": {
       "type": "string",
       "description": "The version of the Angular CLI to use.",
-      "visible": false
+      "visible": false,
+      "$default": {
+        "$source": "ng-cli-version"
+      }
     },
     "routing": {
       "type": "boolean",
@@ -117,6 +120,5 @@
     }
   },
   "required": [
-    "version"
   ]
 }

packages/schematics/angular/workspace/schema.json

@@ -69,7 +69,10 @@
     "version": {
       "type": "string",
       "description": "The version of the Angular CLI to use.",
-      "visible": false
+      "visible": false,
+      "$default": {
+        "$source": "ng-cli-version"
+      }
     }
   },
   "required": [