chore: fix styling

separator line
margin between tags

Author: r0b1n

packages/modules/data-widgets/src/themesource/datawidgets/web/_datagrid-dropdown-filter.scss

@@ -138,7 +138,6 @@ $root: ".widget-dropdown-filter";
     &-clear {
         @include btn-with-cross;
         align-items: center;
-        align-self: center;
         display: flex;
         flex-shrink: 0;
         justify-self: end;
@@ -262,6 +261,7 @@ $root: ".widget-dropdown-filter";
         justify-content: center;
         line-height: 1.334;
         padding: var(--wdf-tag-padding);
+        margin: var(--spacing-smallest, 2px);
         &:focus-visible {
             outline: var(--brand-primary, #264ae5) auto 1px;
         }