Iterate design on Settings screen (#1763)

* Iterate design on Settings screen:

- Set new icons provided by design.
- Replace `PreferenceText` usages with `ListItem`.
- Add missing icons, and a new way to group them for previews.

---------

Co-authored-by: ElementBot <benoitm+elementbot@element.io>

features/securebackup/impl/src/main/kotlin/io/element/android/features/securebackup/impl/setup/views/RecoveryKeyView.kt

@@ -185,7 +185,7 @@ private fun RecoveryKeyFooter(state: RecoveryKeyViewState) {
                     verticalAlignment = Alignment.CenterVertically,
                 ) {
                     Icon(
-                        resourceId = CommonDrawables.ic_compound_info,
+                        resourceId = CommonDrawables.ic_compound_info_solid,
                         contentDescription = null,
                         tint = ElementTheme.colors.iconSecondary,
                         modifier = Modifier