fix: minor ui styling in schema tab (#24967)

Author: harsh-vador

openmetadata-ui/src/main/resources/ui/src/components/common/FieldCard/FieldCard.less

@@ -45,6 +45,7 @@
 
   .field-card-content {
     display: flex;
+    flex-direction: column;
     .field-description {
       color: @grey-700;
       font-size: 13px !important;