[backport geonode-mapstore-client 3.3.x] #7108, #7119: Improve Geocarousel section

[allyoucanmap]

Description

backport of #7130

This PR improve the carousel sections of GeoStory by:

• refactoring the json structure to centralize the map configuration
• refactoring the carousel menu to align it to the navigation menu behaviours and avoid compressed cards
• fix bugs listed here GeoCarousel section for GeoStory #6993 (comment)
• add icon for this type of section

Please check if the PR fulfills these requirements

• The commit message follows our guidelines: https://github.com/geosolutions-it/MapStore2/blob/master/CONTRIBUTING.md
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (check one with "x", remove the others)

• Bugfix

Issue

What is the current behavior?

#7108
#7119

What is the new behavior?

Breaking change

Does this PR introduce a breaking change? (check one with "x", remove the other)

• No

Other useful information