fix(cli): prevent shadowed error function

Because the error function was shadowed by the caught error, you'd see an error like:

Error: error is not a function

This prevents the error function from being shadowed so that it is still callable.

Author: stnguyen90

templates/cli/lib/commands/generic.js.twig

@@ -122,7 +122,7 @@ const whoami = new Command("whoami")
                 sdk: client,
                 parseOutput: false
             });
-        } catch (error) {
+        } catch (_) {
             error("No user is signed in. To sign in, run 'appwrite login'");
             return;
         }