fix: address trag-bot comments

Author: zikunz

src/main/java/org/jabref/gui/journals/UndoableAbbreviator.java

@@ -27,6 +27,8 @@ public UndoableAbbreviator(JournalAbbreviationRepository journalAbbreviationRepo
 
     /**
      * Abbreviate the journal name of the given entry.
+     * This method respects the enabled/disabled state of journal abbreviation sources.
+     * If a journal name comes from a disabled source, it will not be abbreviated.
      *
      * @param database  The database the entry belongs to, or null if no database.
      * @param entry     The entry to be treated.

src/main/java/org/jabref/gui/preferences/journals/AbbreviationsFileViewModel.java

@@ -90,7 +90,7 @@ public void readAbbreviations() throws IOException {
 
             List<AbbreviationViewModel> viewModels = abbreviationsFromFile.stream()
                                                                    .map(AbbreviationViewModel::new)
-                                                                   .collect(Collectors.toCollection(ArrayList::new));
+                                                                   .toList();
             abbreviations.setAll(viewModels);
         } catch (NoSuchFileException e) {
             LOGGER.debug("Journal abbreviation list {} does not exist", filePath, e);