- Modified `ProfileShowcasePanel` with 2 foldable sections.
- Modified api of `ProfileShowcaseCommunitiesPanel` with the new base component.
- Modified api of `ProfileShowcaseAccountsPanel` with the new base component.
- Modified api of `ProfileShowcaseAssetsPanel` and `ProfileShowcaseCollectiblesPanel` with the new base component.
- Added needed `storybook` support.
Closes of #13504
- Created new reusable component to navigate to accounts tab form collectibles / assets tab.
- Added needed support in `storybook` to cover the new use case.
Closes#13340
Setting signer logic and computing fees.
AC messages for different transfer ownership states.
Declining ownership logic.
Added `CommunityTokensStore.qml` stub.
Removed deprecated property.
Issue #11964
Implement the UI part of Profile/Settings/Showcase:
- Communities/Accounts/Collectibles/Assets tabs
- drag and drop of items between "hidden" and "in showcase" sections
- ability to set individual items' visibility
- persistency (showcase saved across restarts), not exposed yet due to
missing backend API
Closes#9936