* Core usage metrics v1 (merge to side-branch) (#8238)

* restructure menu layout per designs

* setup new routing that will set the stage for a metrics landing page

* fix formatting

* Revert "fix formatting"

This reverts commit e77cdec5e58cdcea49aa1b97f80238433c4f7d1e.

* fix formatting

* small styling changes

* change request routing to metrics

* rename route js file

* Core usage metrics v2 (#8263)

* restructure menu layout per designs

* setup new routing that will set the stage for a metrics landing page

* fix formatting

* Revert "fix formatting"

This reverts commit e77cdec5e58cdcea49aa1b97f80238433c4f7d1e.

* fix formatting

* small styling changes

* change request routing to metrics

* rename route js file

* setup selectable card component and api request

* add token and http request models to route and template

* add entities to route and template

* clean up

* add breadcrumbs and some clean up work

* remove unused selectable-card component

* refactor to a serializer

* move adapters, serializers, and models into metrics folder

* remove unused file

* address pr comments

* address pr comments

* Core Usage Metrics V3 (#8316)

* restructure menu layout per designs

* setup new routing that will set the stage for a metrics landing page

* fix formatting

* Revert "fix formatting"

This reverts commit e77cdec5e58cdcea49aa1b97f80238433c4f7d1e.

* fix formatting

* small styling changes

* change request routing to metrics

* rename route js file

* setup selectable card component and api request

* add token and http request models to route and template

* add entities to route and template

* clean up

* add breadcrumbs and some clean up work

* remove unused selectable-card component

* setup smaller http request bar chart

* refactor to a serializer

* move adapters, serializers, and models into metrics folder

* remove unused file

* setup change part of component

* fix broken model

* add conditional class

* setting up computed properties in new component

* small fixes

* setup components

* minor fixes

* rename

* clean up

* firefox fix

* remove shadow bars

* move out of metrics folders

* modify permissions to show difference between token entities and requests

* make tests

* fix class names and associated tests

* clean up

* fix text overflow in non-chrome browsers

* address pr comments, specifically class names and tests

* move into one component

* clean up component descriptions in comments

* small wording changes

* fix for accessibility

* address pr comments around component examples for storybook

* fix test

* fix failing test

* fix test