Auto merge of #23494 - gterzian:improve_http_cache, r=jdm

Various improvements and update to the http cache

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components/net/fetch/methods.rs

@@ -456,10 +456,8 @@ pub fn main_fetch(
     // Step 24.
     target.process_response_eof(&response);
 
-    if !response.is_network_error() {
-        if let Ok(mut http_cache) = context.state.http_cache.write() {
-            http_cache.update_awaiting_consumers(&request, &response);
-        }
+    if let Ok(mut http_cache) = context.state.http_cache.write() {
+        http_cache.update_awaiting_consumers(&request, &response);
     }
 
     // Steps 25-27.