Cherry pick PRs from 6.4.4 and 6.4.3 (#7309)

* Add support for using release branch targetted PRs (#7291)

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

* Fix namespaces not respecting accessible namespace config (#7279)

* Fix namespaces not respecting accessible namespace config

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

* Fix warning hover text formatting

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

* Log state after refresh accessibility

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

* Fix tests

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

* Fix NamespaceStore.allowedNamespaces

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

* Remove unnecessary '?'

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

* Add deprecation messages

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

* Move selected_namespaces storage to injectable

- And its initialization

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

* Implement contextNamespaces logic in forNamespacedResources

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

* Update snapshot

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

* Fix formatting

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

* Fix formatting

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

* Fix test

- This was a side effect of the previous bug fixes where
  the clusterContext.hasAllSelected was previously erroneously 'false'

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

* Change log level

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

* Fix another test suite

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

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

* Fix not showing some non-core kinds (#7303)

* Fix not showing some non-core kinds

- Specifically if a Kind is not present within the preferredVersion of
  a group then we don't know that resource exists

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

* Add technical tests

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

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

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

packages/core/src/renderer/kube-watch-api/kube-watch-api.ts

@@ -103,7 +103,7 @@ export class KubeWatchApi {
       return () => this.#watch.dec(store);
     }
 
-    namespaces ??= this.dependencies.clusterContext?.contextNamespaces ?? [];
+    namespaces ??= this.dependencies.clusterContext.contextNamespaces ?? [];
 
     let childController = new WrappedAbortController(parent);
     const unsubscribe = disposer();