style: adjust popover padding

Author: erha19

packages/components/src/popover/styles.less

@@ -30,7 +30,7 @@
     border-color: var(--kt-popover-border);
     border-radius: 2px;
     .overlay-shadow();
-    padding: 4px 8px;
+    padding: 6px 10px;
     z-index: var(--stacking-level-popover-component, 1000);
     img {
       max-width: 300px;