Code Insights: [FE] Update insight card layout

Created by: vovakulikov

Closes https://github.com/sourcegraph/sourcegraph/issues/24240

This PR just changes the view (chart) component, view grid component layout and aligns visual things based on the latest designs about that.

Visual Changes

Figam Desings

Change	Before	After
Chart layout
View grid layout for lg grid

TODO

• Change Card Chart View (support legend block aside of the main chart block)
• Support new layout for charts with many series within