CB-5712 adds loaders for administration menu items (#3011)

* CB-5712 adds loaders for administration menu items

* CB-5712 pr fixes

* CB-5712 pr fix for preloading serverConfigResource in constructor

* CB-5712 removes preload from AuthProviderResource

---------

Co-authored-by: Daria Marutkina <125263541+dariamarutkina@users.noreply.github.com>

webapp/packages/core-administration/src/AdministrationItem/IAdministrationItem.ts

@@ -5,6 +5,8 @@
  * Licensed under the Apache License, Version 2.0.
  * you may not use this file except in compliance with the License.
  */
+import type { ILoadableState } from '@cloudbeaver/core-utils';
+
 import type { IRouteParams } from './IRouteParams.js';
 
 export enum AdministrationItemType {
@@ -84,6 +86,7 @@ export interface IAdministrationItemOptions {
   replace?: IAdministrationItemReplaceOptions;
   defaultSub?: string;
   defaultParam?: string;
+  getLoader?: () => ILoadableState[] | ILoadableState;
   getDrawerComponent: () => AdministrationItemDrawerComponent;
   getContentComponent: () => AdministrationItemContentComponent;
   onLoad?: AdministrationItemEvent;

webapp/packages/plugin-administration/src/Administration/Administration.tsx

@@ -24,10 +24,12 @@ import {
   type StyleRegistry,
   ToolsActionStyles,
   ToolsPanelStyles,
+  useAutoLoad,
   useS,
 } from '@cloudbeaver/core-blocks';
 import { useService } from '@cloudbeaver/core-di';
 import { OptionsPanelService, TabList, TabListStyles, TabsState, TabStyles } from '@cloudbeaver/core-ui';
+import type { ILoadableState } from '@cloudbeaver/core-utils';
 import { CaptureView } from '@cloudbeaver/core-view';
 
 import { AdministrationCaptureViewContext } from './AdministrationCaptureViewContext.js';
@@ -95,6 +97,9 @@ export const Administration = observer<React.PropsWithChildren<Props>>(function
   const OptionsPanel = optionsPanelService.getPanelComponent();
   const visibleItems = administrationItemService.getActiveItems(configurationWizard);
   const onlyActiveItem = administrationItemService.items.find(filterOnlyActive(configurationWizard));
+  const loaders = administrationItemService.items.reduce<ILoadableState[]>((acc, item) => [...acc, item.getLoader?.() || []].flat(), []);
+
+  useAutoLoad(Administration, loaders);
 
   useLayoutEffect(() => {
     contentRef.current?.scrollTo({ top: 0, left: 0 });