UserService: Improve method naming

This renames `createOrUpdateHistoryEntry` to `updateHistoryEntryTimestamp`,
which reduces confusion with the similarly named
`updateHistoryEntry` function.

Signed-off-by: David Mehren <git@herrmehren.de>

src/api/private/notes/notes.controller.ts

@@ -60,7 +60,7 @@ export class NotesController {
     if (!this.permissionsService.mayRead(user, note)) {
       throw new UnauthorizedException('Reading note denied!');
     }
-    await this.historyService.createOrUpdateHistoryEntry(note, user);
+    await this.historyService.updateHistoryEntryTimestamp(note, user);
     return await this.noteService.toNoteDto(note);
   }