Stop copying zend_module_entry (#8551)

I did some historical digging and could not figure out why a copy is
made. Additionally, the copy was not using the `.size` member, so it
was probably wrong, but it's been that way for quite some time.

UPGRADING.INTERNALS

@@ -20,6 +20,7 @@ PHP 8.2 INTERNALS UPGRADE NOTES
 * php_stristr() no longer lowercases the haystack and needle as a side effect.
   Call zend_str_tolower() yourself if necessary. You no longer need to copy
   the haystack and needle before passing them to php_stristr().
+* zend_register_module_ex() no longer copies the module entry.
 
 ========================
 2. Build system changes

Zend/zend.c

@@ -841,9 +841,7 @@ static void php_scanner_globals_ctor(zend_php_scanner_globals *scanner_globals_p
 static void module_destructor_zval(zval *zv) /* {{{ */
 {
 	zend_module_entry *module = (zend_module_entry*)Z_PTR_P(zv);
-
 	module_destructor(module);
-	free(module);
 }
 /* }}} */
 

Zend/zend_API.c

@@ -2378,7 +2378,7 @@ ZEND_API zend_module_entry* zend_register_module_ex(zend_module_entry *module) /
 	zend_str_tolower_copy(ZSTR_VAL(lcname), module->name, name_len);
 
 	lcname = zend_new_interned_string(lcname);
-	if ((module_ptr = zend_hash_add_mem(&module_registry, lcname, module, sizeof(zend_module_entry))) == NULL) {
+	if ((module_ptr = zend_hash_add_ptr(&module_registry, lcname, module)) == NULL) {
 		zend_error(E_CORE_WARNING, "Module \"%s\" is already loaded", module->name);
 		zend_string_release(lcname);
 		return NULL;
@@ -3061,7 +3061,6 @@ ZEND_API void zend_post_deactivate_modules(void) /* {{{ */
 				break;
 			}
 			module_destructor(module);
-			free(module);
 			zend_string_release_ex(key, 0);
 		} ZEND_HASH_MAP_FOREACH_END_DEL();
 	} else {