Adding accessibility help for verbose hover (#212783)

* adding code in order to provide accessibility help for the hover

* adding the description of the possible commands that can be used

* reusing the method

* joining the content and changing the text in the help view

* polishing the code

* removing the question mark

* changing the import

* removing the setting ID from imports

* adding code in order to update when the hover updates

* adding methods to service

* adding code in order to dispose the accessible hover view

* fixing bug

* polishing the code

* checking that action not supported for the early return

* using disposable store instead

* using the appropriate string

* polishing the code

* using instead the type help and the resolved keybindings

* hiding also on the `onDidBlurEditorWidget` firing

* Revert "using instead the type help and the resolved keybindings"

This reverts commit 1f450dd535.

* use hover accessible view, provide custom help

* Revert "Revert "using instead the type help and the resolved keybindings""

This reverts commit 12f0cf6143.

* add HoverAccessibilityHelp, BaseHoverAccessibleViewProvider

* polishing the code

* polishing the code

* provide content at a specific index from the hover accessibility help provider

* introducing method _initializeOptions

* using readonly where possible

* using public everywhere

* using a getter for the actions

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Co-authored-by: meganrogge <megan.rogge@microsoft.com>

src/vs/workbench/contrib/inlineChat/browser/inlineChatAccessibleView.ts

@@ -42,4 +42,5 @@ export class InlineChatAccessibleView implements IAccessibleViewImplentation {
 			options: { type: AccessibleViewType.View }
 		};
 	}
+	dispose() { }
 }