fix: #I7VP0I 检测文件编码时尝试所有可能顺序

src/main/java/org/jcnc/jnotepad/tool/EncodingDetector.java

@@ -36,11 +36,13 @@ public class EncodingDetector {
         CharsetDetector charsetDetector = new CharsetDetector();
         try (BufferedInputStream inputStream = new BufferedInputStream(new FileInputStream(file.getPath()))) {
             charsetDetector.setText(inputStream);
-            CharsetMatch match = charsetDetector.detect();
+            CharsetMatch[] matchList = charsetDetector.detectAll();
+            for (CharsetMatch match : matchList) {
                 LOG.debug("{} : {}", match.getName(), match.getConfidence());
                 if (match.getConfidence() > 50) {
                     return match.getName();
                 }
+            }
         } catch (Exception e) {
             LOG.error("", e);
         }