use safe equal operation

app/client/api.ts

@@ -231,7 +231,7 @@ export function getHeaders(ignoreHeaders: boolean = false) {
 
   function getConfig() {
     const modelConfig = chatStore.currentSession().mask.modelConfig;
-    const isGoogle = modelConfig.providerName == ServiceProvider.Google;
+    const isGoogle = modelConfig.providerName === ServiceProvider.Google;
     const isAzure = modelConfig.providerName === ServiceProvider.Azure;
     const isAnthropic = modelConfig.providerName === ServiceProvider.Anthropic;
     const isBaidu = modelConfig.providerName == ServiceProvider.Baidu;