Alignment with Carbon version 10.30 (#559)

* feat(toolbar): forward "clear" event in ToolbarSearch

* docs(search): add on:clear example

* fix(ui-shell): set aria-hidden in SideNav

Ref c2b4f1f00

* chore(deps-dev): upgrade carbon-components to v10.30.0

* fix(text-input): use bx--text-input class for TextInputSkeleton

* fix(radio-button): only render span if labelText is truthy

* docs(password-input): add custom tooltip example

* feat(button): add isSelected prop for icon-only, ghost buttons

* feat(radio-button): add legendText prop to RadioButtonGroup

* docs(tag): add filterable (disabled) variant

* feat(tag): add interactive prop

* chore(number-input): deprecate the mobile variant

Mobile variant styles will no longer work.

* feat(button): set aria-pressed attribute if icon-only, ghost button is selected

* fix(multi-select): type dispatched select event

* fix(button): remove redundant "button" role

* feat(icon): deprecate Icon, IconSkeleton

* feat(ui-shell): make SideNavMenuItem text slottable

* fix(list-box): update styles for ListBoxSelection

* fix(list-box): temporarily apply override styles to ListBoxMenuIcon for chevron

* fix(tag): set disabled prop on interactive tag

* docs(button): extract selected, icon-only button example

* feat(tooltip): elevate z-index of tooltip when open

* feat: forward restProps to input element

* fix(types): fix TimePicker test to pass svelte-check

* feat: add ImageLoader component

* test: add ImageLoader

* feat: add LocalStorage component

* test(local-storage): fix invalid file

* chore(docs): use green tag type

src/RadioButtonGroup/RadioButtonGroup.svelte

@@ -8,6 +8,9 @@
   /** Set to `true` to disable the radio buttons */
   export let disabled = false;
 
+  /** Specify the legend text */
+  export let legendText = "";
+
   /**
    * Specify the label position
    * @type {"right" | "left"}
@@ -72,12 +75,18 @@
   on:mouseenter
   on:mouseleave
 >
-  <div
+  <fieldset
     class:bx--radio-button-group="{true}"
     class:bx--radio-button-group--vertical="{orientation === 'vertical'}"
-    class="{labelPosition && `bx--radio-button-group--label-${labelPosition}`}"
+    class:bx--radio-button-group--label-left="{labelPosition === 'left'}"
+    class:bx--radio-button-group--label-right="{labelPosition === 'right'}"
     disabled="{disabled}"
   >
+    {#if legendText || $$slots.legendText}
+      <legend class:bx--label="{true}">
+        <slot name="legendText">{legendText}</slot>
+      </legend>
+    {/if}
     <slot />
-  </div>
+  </fieldset>
 </div>