Merge branch '5.4' into 6.0

* 5.4:
  [DoctrineBridge] Remove dead code
  [Lock] Remove unused variable
  [DoctrineBridge] Replace string with FQCN resolution in EntityType
  Add missing `@return $this` annotations
  [Notifier] Add missing types to SmscTransport

Author: nicolas-grekas

Field/ChoiceFormField.php

@@ -283,6 +283,8 @@ public function availableOptionValues(): array
      * Disables the internal validation of the field.
      *
      * @internal
+     *
+     * @return $this
      */
     public function disableValidation(): static
     {

Form.php

@@ -330,8 +330,10 @@ public function offsetUnset(mixed $name): void
 
     /**
      * Disables validation.
+     *
+     * @return $this
      */
-    public function disableValidation(): self
+    public function disableValidation(): static
     {
         foreach ($this->fields->all() as $field) {
             if ($field instanceof Field\ChoiceFormField) {