🤖 refactor: use isSSHRuntime() in openTerminal method

Use the type guard function instead of manual type === 'ssh' check
for consistency with the rest of the codebase.

Generated with `cmux`

Author: ethanndickson

src/services/ipcMain.ts

@@ -1292,7 +1292,7 @@ export class IpcMain {
           remotePath: string;
         }
   ): Promise<void> {
-    const isSSH = config.type === "ssh";
+    const isSSH = isSSHRuntime(config);
 
     // Build SSH args if needed
     let sshArgs: string[] | null = null;