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/Button/Button.svelte

@@ -17,6 +17,11 @@
    */
   export let size = "default";
 
+  /**
+   * Set to `true` to enable the selected state for an icon-only, ghost button
+   */
+  export let isSelected = false;
+
   /**
    * Set to `true` for the icon-only variant
    * @deprecated inferred using the $$slots API
@@ -85,11 +90,11 @@
   }
   $: hasIconOnly = icon && !$$slots.default;
   $: buttonProps = {
-    role: "button",
     type: href && !disabled ? undefined : type,
     tabindex,
     disabled,
     href,
+    "aria-pressed": hasIconOnly && kind === "ghost" ? isSelected : undefined,
     ...$$restProps,
     class: [
       "bx--btn",
@@ -104,6 +109,7 @@
       hasIconOnly &&
         tooltipAlignment &&
         `bx--tooltip--align-${tooltipAlignment}`,
+      hasIconOnly && isSelected && kind === "ghost" && "bx--btn--selected",
       $$restProps.class,
     ]
       .filter(Boolean)