V1.6.9

• Improvement: optimized suggestion list of input helper by removing special characters.
• Improvement: add separator to suggestion list for words from different plugins.
• Fix: the dialog for creating file link after importing image from file to mind map should be the yes/no buttons mode instead of ok/cancel.
• Fix: exception when save a file as a new file with the same path.
• Fix: missing .jpeg file type support.
• Fix: exception when copy&paste some specific indent text to a mind map topic.
• Fix: selection handling for root node is incorrect after undo in mind map.
• Fix: relocating suggestion list to inappropriate point if it exceeds parent pane.
• update JavaFX to 21.0.2, bundled Java to 21.0.2.