Remove BaseStore<T> and replace with composition of dependencies (#7002)

* Rename ExtensionStore -> BaseExtensionStore
- The name was too close to ExtensionsStore

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Move ExtensionsStore to new format

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Move ClusterStore to new format

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Move UserStore to new format

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Cleanup types to remove multiple cast locations

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Move HotbarStore to new format

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Move WeblinkStore to new format

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Move FileSystemProvisionerStore to new format

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Update snapshots

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Clean up impl and rename to better describe intent

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix remaining type errors

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fully split apart the enabled extensions storage

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fully split apart the clusters storage

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fully split apart the hotbar storage

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fully split apart the weblinks storage

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fully split apart the user preferences storage

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix crashing

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix tests and snapshots

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix integration test failures

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Improve typing to prevent errors in the future.

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Cleanup @k8slens/messaging and friends

- To fix type errors

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix lint issue

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix type errors

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix global override not being complete enough causing tests to fail

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Bump memory for unit tests on CI

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Attempt to fix memory issue on CI again

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fixup test because of new injectables

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Upgrade Jest

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix unit tests falling over

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Back out jest config change

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Remove console log

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Update snapshot

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix tests by matching equality instead of snapshots

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix tests by forcing specific snapshot style

- Ubuntu CI seems to format arrays in snapshots differently than macOS locally

Signed-off-by: Sebastian Malton <sebastian@malton.name>

---------

Signed-off-by: Sebastian Malton <sebastian@malton.name>

packages/core/src/features/status-bar/__snapshots__/status-bar-items-originating-from-extensions.test.tsx.snap

@@ -231,7 +231,7 @@ exports[`status-bar-items-originating-from-extensions when application starts wh
           class="HotbarSelector"
         >
           <i
-            class="Icon Icon previous material interactive focusable"
+            class="Icon material interactive focusable"
             tabindex="0"
           >
             <span