fix(@angular/cli): Add smart default provider for default project

Author: Brocco

packages/@angular/cli/models/schematic-command.ts

@@ -114,6 +114,10 @@ export abstract class SchematicCommand extends Command {
         return rawArgs;
       }
     });
+    const defaultProjectName = this._workspace.getDefaultProjectName();
+    workflow.registry.addSmartDefaultProvider('projectName', (_schema: JsonObject) => {
+      return defaultProjectName;
+    });
     delete schematicOptions._;
 
     workflow.reporter.subscribe((event: DryRunEvent) => {