Prevent file icon from shrinking in print management app

- Fixes a bug where the file icon of a print management would shrink
  when the app's browser window gets smaller.

Before: https://screenshot.googleplex.com/0qO99Th9238
After: https://screenshot.googleplex.com/dDjGUuMEU33

Bug: 1053704
Change-Id: Ifd985e3715c3a4b095e0d3adfc89a0b963c92884
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2265449
Commit-Queue: jimmy gong <jimmyxgong@chromium.org>
Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Cr-Commit-Position: refs/heads/master@{#782660}

chromeos/components/print_management/resources/print_job_entry.html

@@ -22,8 +22,9 @@
   }
 
   #fileIcon {
-    margin-inline-start: 12px;
     margin-inline-end: 16px;
+    margin-inline-start: 12px;
+    min-width: 22px;
   }
 
   #numericalProgress {