* dashboard section with placeholders

* use MUI Accordion for the collapsible section

* change expand icon color

* feat: load a mini safe app in dashboard's Governance section

* fix card heights

* display snapshot widget

* fetch the claiming app and display the widgets

* fix: accordion defaultExpanded and fix loading states flicker

* responsive widgets grid

* expandDefault true

* no need to pass explicit boolean value. improve loading components

* expandDefault true

* no need to pass explicit boolean value. improve loading components

* feat: pass dark mode in the widgets url

* pass preferred them in a search parameter

* feat: call only one widget from the safe-claiming app

* rm unused Grid

* use widgetWrapper for the loading component

* add a custom fallback component

* ammend load error copy

* use different color in the placeholder as per design

* feat: dark flag in URL hash (#1251)

* fix: Accordion only clickable on expandIcon

* adjust AppFrame height for widgets

* change the widget load error component

* fix code style

* improve classnames params

* fix: return `null` if no Claiming App on chain

* fix: reference deployed token address

* fix: add address of token on Goerli

* fix: add loading wrapper

* fix: rename wrapper

…nance

…nance

* Fix: use a non-tracking version of the AppFrame

* Clear communicator handlers

* useAppIsLoading

* Rename components

* Extract getSafeInfo

* AppFrameWrapperProps -> AppFrameProps

…nance