MDL-86822 mod_h5pactivity: fix block page type list method parameters.

Similar was done before in 7a77493b.

public/lib/blocklib.php

@@ -2283,8 +2283,8 @@ function matching_page_type_patterns_from_pattern($pattern) {
  * that might be used by this block.
  *
  * @param string $pagetype for example 'course-view-weeks' or 'mod-quiz-view'.
- * @param stdClass $parentcontext Block's parent context
- * @param stdClass $currentcontext Current context of block
+ * @param context|null $parentcontext Block's parent context
+ * @param context|null $currentcontext Current context of block
  * @return array an array of all the page type patterns that might match this page type.
  */
 function generate_page_type_patterns($pagetype, $parentcontext = null, $currentcontext = null) {

public/mod/h5pactivity/lib.php

@@ -324,11 +324,11 @@ function h5pactivity_reset_gradebook(int $courseid, string $type=''): void {
  * Return a list of page types
  *
  * @param string $pagetype current page type
- * @param stdClass|null $parentcontext Block's parent context
- * @param stdClass $currentcontext Current context of block
+ * @param context|null $parentcontext Block's parent context
+ * @param context|null $currentcontext Current context of block
  * @return array array of page types and it's names
  */
-function h5pactivity_page_type_list(string $pagetype, ?stdClass $parentcontext, stdClass $currentcontext): array {
+function h5pactivity_page_type_list(string $pagetype, ?context $parentcontext, ?context $currentcontext): array {
     $modulepagetype = [
         'mod-h5pactivity-*' => get_string('page-mod-h5pactivity-x', 'h5pactivity'),
     ];