KubeObjectStore & KubeWatchApi fixes and optimizations (#2063)

* Detach NamespaceStore from KubeWatchApi, proper KubeObjectStore.loadAll (rebase of #2033)

Signed-off-by: Roman <ixrock@gmail.com>

* Watch-api requests optimization (#2066)

* subscribe for watching resources in single request when has admin-like access rights

Signed-off-by: Roman <ixrock@gmail.com>

* responding to comments

Signed-off-by: Roman <ixrock@gmail.com>

* fix unit-tests

Signed-off-by: Roman <ixrock@gmail.com>

* fix: reloading stores when preloading enabled and waitUntilLoaded=false

Signed-off-by: Roman <ixrock@gmail.com>

* mark Cluster.canUseWatchApi() and Cluster.refreshAccessibility() as private

Signed-off-by: Roman <ixrock@gmail.com>

* fix unit test: make public Cluster.canUseWatchApi()

Signed-off-by: Roman <ixrock@gmail.com>

* responding to comments in #2066

Signed-off-by: Roman <ixrock@gmail.com>

src/renderer/components/+namespaces/namespace-details.tsx

@@ -32,8 +32,8 @@ export class NamespaceDetails extends React.Component<Props> {
   }
 
   componentDidMount() {
-    resourceQuotaStore.loadAll();
-    limitRangeStore.loadAll();
+    resourceQuotaStore.loadSelectedNamespaces();
+    limitRangeStore.loadSelectedNamespaces();
   }
 
   render() {

src/renderer/components/+namespaces/namespace.store.ts

@@ -73,7 +73,7 @@ export class NamespaceStore extends KubeObjectStore<Namespace> {
   }
 
   private autoLoadAllowedNamespaces(): IReactionDisposer {
-    return reaction(() => this.allowedNamespaces, () => this.loadAll(), {
+    return reaction(() => this.allowedNamespaces, namespaces => this.loadAll(namespaces), {
       fireImmediately: true,
       equals: comparer.shallow,
     });