rustdoc: add margin between scrollbar/resizer and links

This makes it easier to interact with these things without accidentally
dragging a link around.

Author: notriddle

src/librustdoc/html/static/css/rustdoc.css

@@ -561,6 +561,7 @@ ul.block, .block li {
 	display: block;
 	padding: 0.25rem; /* 4px */
 	margin-left: -0.25rem;
+	margin-right: 0.25rem;
 }
 
 .sidebar h2 {

src/librustdoc/html/static/js/main.js

@@ -476,11 +476,11 @@ function preLoadCss(cssUrl) {
                 const current_page = document.location.href.split("/").pop();
                 const link = document.createElement("a");
                 link.href = path;
-                if (path === current_page) {
-                    link.className = "current";
-                }
                 link.textContent = name;
                 const li = document.createElement("li");
+                if (path === current_page) {
+                    li.className = "current";
+                }
                 li.appendChild(link);
                 ul.appendChild(li);
             }
@@ -613,12 +613,12 @@ function preLoadCss(cssUrl) {
         for (const crate of window.ALL_CRATES) {
             const link = document.createElement("a");
             link.href = window.rootPath + crate + "/index.html";
-            if (window.rootPath !== "./" && crate === window.currentCrate) {
-                link.className = "current";
-            }
             link.textContent = crate;
 
             const li = document.createElement("li");
+            if (window.rootPath !== "./" && crate === window.currentCrate) {
+                li.className = "current";
+            }
             li.appendChild(link);
             ul.appendChild(li);
         }