Add proper suffix for iface RX/TX bytes/s

Summary: Looks like the render config did not have proper suffix attached. I'm not sure how it ever worked before (and I checked, it did). But this should be strictly more correct.

Reviewed By: lnyng

Differential Revision: D74664384

fbshipit-source-id: a82ddb23029c1ae6e14002f8fce9703cadaf0602

Author: Daniel Xu

below/render/src/default_configs.rs

@@ -757,8 +757,8 @@ impl HasRenderConfig for model::SingleNetModel {
         let rc = RenderConfigBuilder::new();
         match field_id {
             Interface => rc.title("Interface"),
-            RxBytesPerSec => rc.title("RX Bytes/s").format(ReadableSize),
-            TxBytesPerSec => rc.title("TX Bytes/s").format(ReadableSize),
+            RxBytesPerSec => rc.title("RX Bytes/s").format(ReadableSize).suffix("/s"),
+            TxBytesPerSec => rc.title("TX Bytes/s").format(ReadableSize).suffix("/s"),
             ThroughputPerSec => rc.title("I/O Bytes/s").format(ReadableSize),
             RxPacketsPerSec => rc.title("RX Pkts/s"),
             TxPacketsPerSec => rc.title("TX Pkts/s"),