[RPP insight] show time for all network request in the network tree

screenshot: https://screenshot.googleplex.com/mNjwtvSJ9TRjmRP
Bug: 400708304
Change-Id: Ibb4410a4e54f89b8665e79368b9643ae4e481564
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/6333410
Commit-Queue: Nancy Li <[email protected]>
Reviewed-by: Jack Franklin <[email protected]>

Author: Nancy Li

front_end/panels/timeline/components/insights/NetworkDependencyTree.ts

@@ -94,13 +94,9 @@ export class NetworkDependencyTree extends BaseInsightComponent<NetworkDependenc
                    @mouseover=${hasChildren ? null : this.#onMouseOver.bind(this, chain)}
                    @mouseout=${hasChildren ? null : this.#onMouseOut.bind(this)}>
                 <span class="url">${eventRef(request)}</span>
-                ${
-                  // If this is the last request, show the chain time
-                  hasChildren ? Lit.nothing :html`
-                    <span class="chain-time">
-                      ${i18n.TimeUtilities.formatMicroSecondsTime(Trace.Types.Timing.Micro(timeFromInitialRequest))}
-                    </span>
-                `}
+                <span class="chain-time">
+                  ${i18n.TimeUtilities.formatMicroSecondsTime(Trace.Types.Timing.Micro(timeFromInitialRequest))}
+                </span>
               </div>
             </li>
             ${hasChildren ? html`${this.renderTree(children)}` : Lit.nothing}