fix(material/slider): add cursor pointer for label

our label in slider doesn't have contain cursor point style as we can still click on label and toggle slider

fixes #26490

Author: naaajii

src/material/slide-toggle/slide-toggle.scss

@@ -55,6 +55,10 @@
       @include token-utils.create-token-slot(letter-spacing, label-text-letter-spacing);
       @include token-utils.create-token-slot(line-height, label-text-line-height);
       @include token-utils.create-token-slot(font-weight, label-text-weight);
+
+      // Our label for slide-toggle should have cursor as pointer, we can still
+      // click on it and the slide-toggle will toggle.
+      cursor: pointer;
     }
   }
 }