Add primary/secondary line classes to select list

This will be a style that can be used by extending
classes to provide two lines that don't wrap with
color and padding.

This is initially used by symbols view and fuzzy finder.

static/select-list.less

@@ -19,6 +19,16 @@
     li {
       padding: 10px;
       display: block;
+
+      &.two-lines {
+        padding: 5px 10px 5px 10px;
+      }
+
+      .primary-line, .secondary-line {
+        text-overflow: ellipsis;
+        white-space: nowrap;
+        overflow: hidden;
+      }
     }
 
     li:last-child {