fix(tabs): reduce editable-card add button size to match tab height

Author: wangdicoder

components/tabs/style/index.scss

@@ -154,8 +154,8 @@ $tab-prefix: #{$prefix}-tabs;
     display: flex;
     align-items: center;
     justify-content: center;
-    width: 40px;
-    height: 40px;
+    width: 32px;
+    height: 32px;
     background: transparent;
     border: 1px dashed var(--ty-color-border);
     border-radius: 4px;