Refine App.css for Improved Layout and Styling Consistency

- Adjusted margin properties for .ant-flex and .object-display-tag to enhance visual alignment.
- Introduced a new margin for .ant-select-tree-node-content-wrapper to improve spacing.
- Updated border styling for .ant-tag.object-display-tag and .object-select-multiple for better visual distinction.

assets/stylesheets/App.css

@@ -712,7 +712,11 @@ body {
   .ant-select-selection-item
   .object-display-tag
   .ant-flex {
-  margin-top: -0.75px;
+  margin-top: 0;
+}
+
+.ant-select-tree-node-content-wrapper .object-display-tag > .ant-flex {
+  margin-top: 1px;
 }
 
 .object-info-descriptions table {
@@ -1689,7 +1693,9 @@ span.ant-skeleton-input.ant-skeleton-input-sm.text-skeleton {
   font-size: 95%;
 }
 
-.ant-tag.object-display-tag {
+.ant-tag.object-display-tag,
+.object-select-multiple.ant-select-outlined.ant-select-multiple
+  .ant-select-selection-item {
   border: 1px solid color-mix(in srgb, var(--color-text) 5%, transparent);
 }