docs: change stories to reflect the possibility that empty text nodes are valid

Author: iOvergaard

packages/uui-button/lib/uui-button.story.ts

@@ -108,9 +108,9 @@ const Template: Story = props => {
       .rel=${props.rel}
       look=${props.look}
       color=${props.color}
-      label=${props.label}
-      >${props.content}</uui-button
-    >
+      label=${props.label}>
+      ${props.slot}
+    </uui-button>
   `;
 };
 

packages/uui-toggle/lib/uui-toggle.story.ts

@@ -40,9 +40,9 @@ export const AAAOverview: Story = props => html`
     .labelPosition=${props.labelPosition}
     ?disabled=${props.disabled}
     ?readonly=${props.readonly}
-    ?checked=${props.checked}
-    >${props.slot}</uui-toggle
-  >
+    ?checked=${props.checked}>
+    ${props.slot}
+  </uui-toggle>
 `;
 AAAOverview.storyName = 'Overview';