kb(common): Add KB for InPlaceEditor component (#2532)

* kb(common): Add KB for InPlaceEditor component

* Update knowledge-base/in-place-editor.md

* Update knowledge-base/in-place-editor.md

* Update knowledge-base/in-place-editor.md

* Update knowledge-base/in-place-editor.md

* Class and Title parameters

* Core formatting

* Add Cancel feature

* Add Save and Cancel buttons

* Update knowledge-base/in-place-editor.md

Co-authored-by: Nadezhda Tacheva <[email protected]>

* apply suggestions

* Add note about CSS isolation

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Co-authored-by: Nadezhda Tacheva <[email protected]>

Author: dimodi