Fix missing ^isArray condition

Author: dani-garcia

modules/openapi-generator/src/main/resources/rust/reqwest-trait/api.mustache

@@ -245,6 +245,7 @@ impl {{classname}} for {{classname}}Client {
                 _ => local_var_req_builder.query(&[("{{{baseName}}}", &param_value.into_iter().map(|p| p.to_string()).collect::<Vec<String>>().join(",").to_string())]),
             };
             {{/isArray}}
+            {{^isArray}}
             {{#isDeepObject}}
             {{^isExplode}}
             let params = crate::apis::parse_deep_object("{{{baseName}}}", &serde_json::to_value(param_value)?);
@@ -276,6 +277,7 @@ impl {{classname}} for {{classname}}Client {
             {{/isModel}}
             {{/isObject}}
             {{/isDeepObject}}
+            {{/isArray}}
         }
         {{/required}}
         {{/queryParams}}

samples/client/petstore/rust/reqwest-trait/petstore/src/apis/pet_api.rs

@@ -174,7 +174,6 @@ impl PetApi for PetApiClient {
                 "multi" => local_var_req_builder.query(&param_value.into_iter().map(|p| ("type".to_owned(), p.to_string())).collect::<Vec<(std::string::String, std::string::String)>>()),
                 _ => local_var_req_builder.query(&[("type", &param_value.into_iter().map(|p| p.to_string()).collect::<Vec<String>>().join(",").to_string())]),
             };
-            local_var_req_builder = local_var_req_builder.query(&[("type", &param_value.to_string())]);
         }
         if let Some(ref local_var_user_agent) = local_var_configuration.user_agent {
             local_var_req_builder = local_var_req_builder.header(reqwest::header::USER_AGENT, local_var_user_agent.clone());