feat(@angular/cli): allow override of configuration for ng run

closes #10569

Author: Manduro

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

@@ -239,6 +239,11 @@ export abstract class ArchitectCommand extends Command<ArchitectCommandOptions>
 
       overrides = { ...options };
       delete overrides.target;
+
+      if (overrides.configuration) {
+        configuration = overrides.configuration;
+        delete overrides.configuration;
+      }
     } else {
       project = options.project;
       target = this.target;