[Dashboard] show fullscreen mode when url has fullScreenMode param (e…

…lastic#196275)

## Summary

Closes elastic#174561

Show fullscreen mode when url has fullScreenMode param
`&_a=(fullScreenMode:!t)`

### Screenshot

![20241015-184503](https://github.com/user-attachments/assets/fae01dcc-f081-4314-84f9-3923adc76e5b)

---------

Co-authored-by: Elastic Machine <[email protected]>
Co-authored-by: Hannah Mudge <[email protected]>
(cherry picked from commit 72c0b81)

src/plugins/dashboard/public/dashboard_api/get_dashboard_api.ts

@@ -19,14 +19,15 @@ export interface InitialComponentState {
   lastSavedInput: DashboardContainerInput;
   lastSavedId: string | undefined;
   managed: boolean;
+  fullScreenMode: boolean;
 }
 
 export function getDashboardApi(
   initialComponentState: InitialComponentState,
   untilEmbeddableLoaded: (id: string) => Promise<unknown>
 ) {
   const animatePanelTransforms$ = new BehaviorSubject(false); // set panel transforms to false initially to avoid panels animating on initial render.
-  const fullScreenMode$ = new BehaviorSubject(false);
+  const fullScreenMode$ = new BehaviorSubject(initialComponentState.fullScreenMode);
   const managed$ = new BehaviorSubject(initialComponentState.managed);
   const savedObjectId$ = new BehaviorSubject<string | undefined>(initialComponentState.lastSavedId);
 

src/plugins/dashboard/public/dashboard_api/types.ts

@@ -68,6 +68,7 @@ export interface DashboardCreationOptions {
 
   validateLoadedSavedObject?: (result: LoadDashboardReturn) => 'valid' | 'invalid' | 'redirected';
 
+  fullScreenMode?: boolean;
   isEmbeddedExternally?: boolean;
 
   getEmbeddableAppContext?: (dashboardId?: string) => EmbeddableAppContext;

src/plugins/dashboard/public/dashboard_app/dashboard_app.tsx

@@ -157,6 +157,9 @@ export function DashboardApp({
       },
       getInitialInput,
       validateLoadedSavedObject: validateOutcome,
+      fullScreenMode:
+        kbnUrlStateStorage.get<{ fullScreenMode?: boolean }>(DASHBOARD_STATE_STORAGE_KEY)
+          ?.fullScreenMode ?? false,
       isEmbeddedExternally: Boolean(embedSettings), // embed settings are only sent if the dashboard URL has `embed=true`
       getEmbeddableAppContext: (dashboardId) => ({
         currentAppId: DASHBOARD_APP_ID,

src/plugins/dashboard/public/dashboard_container/embeddable/create/create_dashboard.ts

@@ -110,6 +110,7 @@ export const createDashboard = async (
     },
     lastSavedId: savedObjectId,
     managed: savedObjectResult.managed ?? false,
+    fullScreenMode: creationOptions?.fullScreenMode ?? false,
   };
 
   const dashboardContainer = new DashboardContainer(

src/plugins/dashboard/public/dashboard_container/embeddable/dashboard_container.test.tsx

@@ -178,6 +178,7 @@ test('searchSessionId propagates to children', async () => {
       lastSavedInput: sampleInput,
       lastSavedId: undefined,
       managed: false,
+      fullScreenMode: false,
     }
   );
   container?.setControlGroupApi(mockControlGroupApi);

src/plugins/dashboard/public/dashboard_container/embeddable/dashboard_container.tsx

@@ -314,6 +314,7 @@ export class DashboardContainer
             isEmbeddedExternally: false,
             lastSavedInput: initialInput,
             lastSavedId: undefined,
+            fullScreenMode: false,
             managed: false,
           },
       (id: string) => this.untilEmbeddableLoaded(id)

src/plugins/dashboard/public/dashboard_top_nav/internal_dashboard_top_nav.tsx

@@ -123,13 +123,6 @@ export function InternalDashboardTopNav({
     dashboardTitleRef.current?.focus();
   }, [title, viewMode]);
 
-  /**
-   * Manage chrome visibility when dashboard is embedded.
-   */
-  useEffect(() => {
-    if (!embedSettings) coreServices.chrome.setIsVisible(viewMode !== 'print');
-  }, [embedSettings, viewMode]);
-
   /**
    * populate recently accessed, and set is chrome visible.
    */

src/plugins/dashboard/public/mocks.tsx

@@ -99,6 +99,7 @@ export function buildMockDashboard({
       lastSavedInput: initialInput,
       lastSavedId: savedObjectId,
       managed: false,
+      fullScreenMode: false,
     }
   );
   dashboardContainer?.setControlGroupApi(mockControlGroupApi);