Fix repo editor sidebar height

app/assets/stylesheets/pages/repo.scss

@@ -211,10 +211,14 @@
       vertical-align: top;
       width: 20%;
       border-right: 1px solid $white-normal;
-      height: 100vh;
+      height: calc(100vh + 20px);
       overflow: auto;
     }
 
+    table {
+      margin-bottom: 0;
+    }
+
     tr {
       animation: fadein 0.5s;
       cursor: pointer;