Make shared components aware of layout and density settings (#33368)

* Add shared event presentation context

* Add app-web event presentation mapper

* Wire event presentation provider into app timelines

* Add Storybook controls for event layout and density

* Wire compact density through app/web event presentation provider

* Use event presentation density for URL previews

* Move TileErrorView layout to event presentation context

* Minor fix and updated snapshot

* Updated snapshots for url preview group

* Prettier fix

* Restore removed story to fix missing playwright test

* Updates after review comments

* Fix prettier issue

apps/web/test/viewmodels/message-body/TileErrorViewModel-test.tsx

@@ -33,7 +33,6 @@ describe("TileErrorViewModel", () => {
         const mxEvent = overrides.mxEvent ?? createEvent();
 
         return new TileErrorViewModel({
-            layout: "group",
             developerMode: true,
             error,
             mxEvent,
@@ -56,7 +55,6 @@ describe("TileErrorViewModel", () => {
         const vm = createVm();
 
         expect(vm.getSnapshot()).toEqual({
-            layout: "group",
             message: "Can't load this message",
             eventType: "m.room.message",
             bugReportCtaLabel: "Submit debug logs",
@@ -78,17 +76,6 @@ describe("TileErrorViewModel", () => {
         expect(vm.getSnapshot().viewSourceCtaLabel).toBeUndefined();
     });
 
-    it("updates the layout when the host timeline layout changes", () => {
-        const vm = createVm();
-        const listener = jest.fn();
-        vm.subscribe(listener);
-
-        vm.setLayout("bubble");
-
-        expect(vm.getSnapshot().layout).toBe("bubble");
-        expect(listener).toHaveBeenCalledTimes(1);
-    });
-
     it("guards setters against unchanged values", () => {
         const error = new Error("Boom");
         const mxEvent = createEvent();
@@ -98,7 +85,6 @@ describe("TileErrorViewModel", () => {
 
         vm.setDeveloperMode(true);
         vm.setError(error);
-        vm.setLayout("group");
 
         expect(listener).not.toHaveBeenCalled();
     });