Include stopped-but-interceptable containers in attach metadata

This seems like it might be useful in some workflows - you might have
containers you're interested in stopped, and being able to restart them
straight from that state into interception is very neat.

Author: pimterry

src/interceptors/docker/docker-interceptor.ts

@@ -38,8 +38,9 @@ export class DockerContainerInterceptor implements Interceptor {
             // We cache the containers query whilst it's active, because this gets hit a lot,
             // usually directly in parallel by getMetadata and isActive, and this ensures
             // that concurrent calls all just run one lookup and use the same result.
-            this._containersPromise = this.getDocker().listContainers()
-                .finally(() => { this._containersPromise = undefined; });
+            this._containersPromise = this.getDocker().listContainers({
+                all: true
+            }).finally(() => { this._containersPromise = undefined; });
         }
         return this._containersPromise;
     }