Change client metrics api path to client_perf (#26985)

server/public/model/client4.go

@@ -588,8 +588,8 @@ func (c *Client4) bookmarkRoute(channelId, bookmarkId string) string {
 	return fmt.Sprintf(c.bookmarksRoute(channelId)+"/%v", bookmarkId)
 }
 
-func (c *Client4) perfMetricsRoute() string {
-	return "/perf"
+func (c *Client4) clientPerfMetricsRoute() string {
+	return "/client_perf"
 }
 
 func (c *Client4) DoAPIGet(ctx context.Context, url string, etag string) (*http.Response, error) {
@@ -8858,7 +8858,7 @@ func (c *Client4) SubmitClientMetrics(ctx context.Context, report *PerformanceRe
 	if err != nil {
 		return nil, NewAppError("SubmitClientMetrics", "api.marshal_error", nil, "", http.StatusInternalServerError).Wrap(err)
 	}
-	res, err := c.DoAPIPostBytes(ctx, c.perfMetricsRoute(), buf)
+	res, err := c.DoAPIPostBytes(ctx, c.clientPerfMetricsRoute(), buf)
 	if err != nil {
 		return BuildResponse(res), err
 	}