[chore] fix file list item padding overwrite

- move padding overwrite to more specific selector

frontend/src/global_styles/content/work_packages/tabs/_files.sass

@@ -35,8 +35,6 @@
 
     &-item
       &-action
-        padding-left: 0
-        padding-right: 0
         text-decoration: none
 
         &.view-not-allowed
@@ -88,6 +86,11 @@
         &-icon
           margin-right: $spot-spacing-0-5
 
+  & &--file-list &--file-list-item &--file-list-item-action
+    padding-left: 0
+    padding-right: 0
+
+
   &--storage-info-box
     margin-top: 0.875rem
     display: grid