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/client/src/features/page/components/header/page-header.tsx

@@ -9,10 +9,10 @@ interface Props {
 export default function PageHeader({ readOnly }: Props) {
   return (
     <div className={classes.header}>
-      <Group justify="space-between" h="100%" px="md" wrap="nowrap">
+      <Group justify="space-between" h="100%" px="md" wrap="nowrap" className={classes.group}>
         <Breadcrumb />
 
-        <Group justify="flex-end" h="100%" px="md" wrap="nowrap">
+        <Group justify="flex-end" h="100%" px="md" wrap="nowrap" gap="var(--mantine-spacing-xs)">
           <PageHeaderMenu readOnly={readOnly} />
         </Group>
       </Group>