[BUGFIX] Fix choose language step skip

Refs: #177

Classes/Override/LocalizationController.php

@@ -81,20 +81,28 @@ public function getUsedLanguagesInPage(ServerRequestInterface $request): Respons
 
  // First check whether column has localized records
  $elementsInColumnCount = $this->localizationRepository->getLocalizedRecordCount($pageId, $languageId);
-
- if ($elementsInColumnCount === 0) {
+ $result = [];
+ if ($elementsInColumnCount !== 0) {
+ // check elements in column - empty if source records do not exist anymore
+ $result = $this->localizationRepository->fetchOriginLanguage($pageId, $languageId);
+ if ($result !== []) {
+ $availableLanguages[] = $systemLanguages[$result['sys_language_uid']];
+ }
+ }
+ if ($elementsInColumnCount === 0 || $result === []) {
  $fetchedAvailableLanguages = $this->localizationRepository->fetchAvailableLanguages($pageId, $languageId);
- $availableLanguages[] = $systemLanguages[0];
-
  foreach ($fetchedAvailableLanguages as $language) {
- if (isset($language['uid']) && isset($systemLanguages[$language['uid']])) {
- $availableLanguages[] = $systemLanguages[$language['uid']];
+ if (isset($systemLanguages[$language['sys_language_uid']])) {
+ $availableLanguages[] = $systemLanguages[$language['sys_language_uid']];
  }
  }
- } else {
- $result = $this->localizationRepository->fetchOriginLanguage($pageId, $languageId);
- $availableLanguages[] = $systemLanguages[$result['sys_language_uid']];
  }
+ // Language "All" should not appear as a source of translations (see bug 92757) and keys should be sequential
+ $availableLanguages = array_values(
+ array_filter($availableLanguages, static function (array $languageRecord): bool {
+ return (int)$languageRecord['uid'] !== -1;
+ })
+ );
 
  //for deepl and google auto modes
  if (!empty($availableLanguages)) {