[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/tooltip/tooltip.spec.ts

@@ -59,7 +59,14 @@ describe("TooltipDirective (visibility only)", () => {
     };
 
     const overlayRefStub: OverlayRefStub = {
-      attach: jest.fn(() => ({})),
+      attach: jest.fn(() => ({
+        changeDetectorRef: { detectChanges: jest.fn() },
+        location: {
+          nativeElement: {
+            querySelector: jest.fn().mockReturnValue({ id: "tip-123" }),
+          },
+        },
+      })),
       updatePosition: jest.fn(),
     };