[CL-879] use tooltip on icon button (#16576)

* Add tooltip to icon button to display label

* remove legacy cdr variable

* create overlay on focus or hover

* attach describdedby ids

* fix type errors

* remove aria-describedby when not necessary

* fix failing tests

* implement Claude feedback

* fixing broken specs

* remove host attr binding

* Simplify directive aria logic

* Move id to statis number

* do not render empty tooltip

* pass id to tooltip component

* remove pointer-events none to allow tooltip on normal buttons

* exclude some tooltip stories

* change describedby input name

* add story with tooltip on regular button

* enhanced tooltip docs

* set model directly

* change model to input

libs/components/src/button/button.component.ts

@@ -92,7 +92,6 @@ export class ButtonComponent implements ButtonLikeAbstraction {
               "hover:!tw-text-muted",
               "aria-disabled:tw-cursor-not-allowed",
               "hover:tw-no-underline",
-              "aria-disabled:tw-pointer-events-none",
             ]
           : [],
       )