Update OverviewPage with new Design of 24.11.23

[Torgeir333]

Description

The superficial changes of the New Design of 24.11.23
have been implemented for OverviewPage.

Note that the new Design implies a long list of changes
both to Frontend (see issue #126, and Task list therein ),
and to BFF and deeper Backend (issue pending).

Also note that some of the changes in the New Design seems
to ignore much of the work done this autumn in Frontend and BFF with
regard to DTO objects and fields therein (see issue #8 ).

A case in point are the remaining title and sub-tile the SystemUser list,
"System Lakeslus Rapportering" and "Aqua Power". It is now unclear what fields
in the DTO these titles refer to.

Thus in the next iteration these caveats should be addressed.
Preferably the New Design should be clarified in issue #8 .

Related Issue(s)

• New iteration of OverviewPage based on new designs of 24.11.23 #126

Verification

• Your code builds clean without any errors or warnings
• Manual testing done (required)
• Relevant automated test added (if you find this hard, leave it and we'll help out)
• All tests run green

Documentation

• User documentation is updated in the Repo Wiki

[simen-rekkedal]

Ok