Egd 3263 simplified text input mode (#417)

* [EGD-3263] recursive Item::getFocusItem

* [EGD-3263] Bottomr bar store and restore

* [EGD-3263] simplfied display of text input mode

* [EGD-3263] renamed CB names

* [EGD-3263] fixes in store/restore of bottombar

* [EGD-3263] Text::onInput fixes

* [EGD-3236] ranemed store to chache

* [EGD-3263] minor clean up
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