Fix directory preview table padding (#1802)

Author: esimkowitz

frontend/app/view/preview/directorypreview.scss

@@ -89,6 +89,7 @@
         .dir-table-body {
             display: flex;
             flex-direction: column;
+            padding: 0 5px 5px 5px;
             .dir-table-body-search-display {
                 display: flex;
                 border-radius: 3px;

frontend/app/view/preview/preview.scss

@@ -37,12 +37,7 @@
             object-fit: contain;
         }
     }
-    &.view-preview-directory {
-        flex-direction: column;
-        align-items: start;
-    }
-    &.view-preview-pdf,
-    &.view-preview-directory {
+    &.view-preview-pdf {
         padding: 5px;
     }
 }