Files app: Change min-width for File List column to 40px

Bug: 1058536
Change-Id: I153bc4fd016523e5aa44409798326237e180c247
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2096798
Commit-Queue: Luciano Pacheco <lucmult@chromium.org>
Commit-Queue: Noel Gordon <noel@chromium.org>
Auto-Submit: Luciano Pacheco <lucmult@chromium.org>
Reviewed-by: Noel Gordon <noel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#748999}

ui/file_manager/file_manager/foreground/js/ui/file_table.js

@@ -16,7 +16,7 @@ class FileTableColumnModel extends cr.ui.table.TableColumnModel {
     this.snapshot_ = null;
 
     if (util.isFilesNg()) {
-      FileTableColumnModel.MIN_WIDTH_ = 24;
+      FileTableColumnModel.MIN_WIDTH_ = 40;
     }
   }