Enhance styling for repeated opening hours

- Implemented styles for disabled input fields
- Expanded spacing around checkbox, increased checkbox size, and updated label font style

src/stories/Library/opening-hours-editor/opening-hours-editor.scss

@@ -24,17 +24,28 @@
   padding: 0.5rem;
   color: #555;
   background-color: #fff;
+
+  &:disabled {
+    background-color: transparent;
+  }
 }
 
 .opening-hours-editor-form__checkbox {
-  margin-top: 0.75rem;
+  margin-top: 1.5rem;
   margin-bottom: 0.5rem;
   display: flex;
   gap: 0.5rem;
   align-items: center;
 
+  input[type="checkbox"] {
+    width: 25px;
+    height: 25px;
+  }
+
   label {
     margin: 0;
+    font-size: 0.8rem;
+    line-height: 1.25;
   }
 }