refactor(core): separate editor & doc mode (#7873)

doc.mode -> primaryMode
(*new) editor.mode

New Service:
editor service

Change Mode:

```
const editor = useService(EditorService).editor;
editor.setMode('page')
```

Change primary mode

```
const editor = useService(EditorService).editor;
editor.doc.setPrimaryMode('page')
```

packages/frontend/core/src/modules/quicksearch/services/cmdk.ts

@@ -63,13 +63,13 @@ export class CMDKQuickSearchService extends Service {
           } else if (result.source === 'creation') {
             if (result.id === 'creation:create-page') {
               const newDoc = this.docsService.createDoc({
-                mode: 'page',
+                primaryMode: 'page',
                 title: result.payload.title,
               });
               this.workbenchService.workbench.openDoc(newDoc.id);
             } else if (result.id === 'creation:create-edgeless') {
               const newDoc = this.docsService.createDoc({
-                mode: 'edgeless',
+                primaryMode: 'edgeless',
                 title: result.payload.title,
               });
               this.workbenchService.workbench.openDoc(newDoc.id);

packages/frontend/core/src/modules/quicksearch/services/doc-display-meta.ts

@@ -16,7 +16,7 @@ export class DocDisplayMetaService extends Service {
     );
     const icon = journalDateString
       ? TodayIcon
-      : docRecord.mode$.value === 'edgeless'
+      : docRecord.primaryMode$.value === 'edgeless'
         ? EdgelessIcon
         : PageIcon;