Fix AI Assistance Tab Focus getting chopped in Network tab

Bug: 378027634
Change-Id: I6ab7287b970fe18732e1d4b6499c947e0bb14dfa
Fixed: 378027634
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/6439331
Auto-Submit: Samiya Caur <samiyac@chromium.org>
Reviewed-by: Ergün Erdoğmuş <ergunsh@chromium.org>
Commit-Queue: Ergün Erdoğmuş <ergunsh@chromium.org>

Author: Samiya Caur

front_end/panels/network/networkLogView.css

@@ -260,6 +260,12 @@
 .data-grid-data-grid-node .ai-button-container {
   display: none;
   float: right;
+
+  devtools-floating-button {
+    position: absolute;
+    z-index: 999;
+    margin-left: -17px;
+  }
 }
 
 .data-grid-data-grid-node:hover .ai-button-container {