feat: edit mode preference (#666)

* lock/unlock pages

* remove using isLocked column - add default page edit state preference

* * Move state management to editors (avoids flickers on edit mode switch)
* Rename variables
* Add strings to translation file
* Memoize components in page component
* Fix title editor sending update request on editable state change

* fixed errors merging main

* Fix embed view in read-only mode

* remove unused line

* sync

* fix responsiveness on mobile

---------

Co-authored-by: Philipinho <16838612+Philipinho@users.noreply.github.com>

apps/server/src/core/user/dto/update-user.dto.ts

@@ -1,5 +1,5 @@
 import { OmitType, PartialType } from '@nestjs/mapped-types';
-import { IsBoolean, IsOptional, IsString } from 'class-validator';
+import { IsBoolean, IsIn, IsOptional, IsString } from 'class-validator';
 import { CreateUserDto } from '../../auth/dto/create-user.dto';
 
 export class UpdateUserDto extends PartialType(
@@ -13,6 +13,11 @@ export class UpdateUserDto extends PartialType(
   @IsBoolean()
   fullPageWidth: boolean;
 
+  @IsOptional()
+  @IsString()
+  @IsIn(['read', 'edit'])
+  pageEditMode: string;
+
   @IsOptional()
   @IsString()
   locale: string;