fix: studio breaking when trying to generate code/document (#804)

Co-authored-by: Khuda Dad Nomani <32505158+KhudaDad414@users.noreply.github.com>

Author: AceTheCreator

.changeset/lucky-geckos-talk.md

@@ -0,0 +1,4 @@
+---
+"@asyncapi/studio": patch
+---
+fix studio breaking when trying to generate code/document

apps/studio/src/components/Modals/Generator/TemplateParameters.tsx

@@ -106,7 +106,7 @@ export const TemplateParametersSans: ForwardRefRenderFunction<TemplateParameters
     const servers = document?.servers();
     const availableServers: string[] = [];
     Object.entries(servers || {}).forEach(([serverName, server]) => {
-      if (supportedProtocols.includes(server.protocol())) availableServers.push(serverName);
+      if (server.protocol && supportedProtocols.includes(server.protocol())) availableServers.push(serverName);
     });
 
     if (supportedProtocols.length && availableServers.length === 0) {