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

ts/classes.server.ts

@@ -35,7 +35,7 @@ export class HetznerServer {
       createServerUrl,
       createServerPayload
     );
-    server.data = (response.body as types.TServerCreateResponseBody).server;
+    server.data = (response.body as types.TServerCreateResponseBody).server!;
     return server;
   }
 
@@ -58,7 +58,7 @@ export class HetznerServer {
     for (const server of servers) {
       let isMatch = true;
       for (const key in labelObject) {
-        if (server.data.labels[key] !== labelObject[key]) {
+        if ((server.data.labels || {})[key] !== labelObject[key]) {
           isMatch = false;
         }
       }
@@ -71,7 +71,7 @@ export class HetznerServer {
 
   // INSTANCE
   public hetznerAccountRef: HetznerAccount;
-  public data: types.IServer;
+  public data!: types.IServer;
 
   constructor(hetznerAccountRefArg: HetznerAccount) {
     this.hetznerAccountRef = hetznerAccountRefArg;