fix(client): update request handling and typings for current smartrequest and OpenAPI output

ts/classes.volume.ts

@@ -30,7 +30,7 @@ export class HetznerVolume {
       createVolumeUrl,
       createVolumePayload
     );
-    volume.data = (response.body as types.TVolumeCreateResponseBody).volume;
+    volume.data = (response.body as types.TVolumeCreateResponseBody).volume!;
     return volume;
   }
 
@@ -53,7 +53,7 @@ export class HetznerVolume {
     for (const volume of volumes) {
       let isMatch = true;
       for (const key in labelObject) {
-        if (volume.data.labels[key] !== labelObject[key]) {
+        if ((volume.data.labels || {})[key] !== labelObject[key]) {
           isMatch = false;
         }
       }
@@ -64,7 +64,7 @@ export class HetznerVolume {
     return results;
   }
 
-  public data: types.IVolume;
+  public data!: types.IVolume;
   public hetznerAccountRef: HetznerAccount;
 
   constructor(hetznerAccountRefArg: HetznerAccount) {
@@ -74,4 +74,4 @@ export class HetznerVolume {
   public delete = async () => {
     await this.hetznerAccountRef.request('DELETE', `/volumes/${this.data.id}`, {});
   }
-}
+}