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/Tooltip/Tooltip.svelte

@@ -171,7 +171,10 @@
     }
   }}" />
 
-<div {...$$restProps} style="{$$restProps.style}; position: relative;">
+<div
+  {...$$restProps}
+  style="{open ? 'z-index: 1;' : ''}{$$restProps.style}; position: relative;"
+>
   {#if !hideIcon}
     <div bind:this="{ref}" id="{triggerId}" class:bx--tooltip__label="{true}">
       <slot name="triggerText">{triggerText}</slot>