fix(log): Logging System Improvements and Error Handling Enhancements (#994)

* fix: Added logging to exception handling

Added detailed error logging to exception handling across multiple files, including exception information and stack traces, to facilitate troubleshooting.

* refactor(logging): Standardize logging output methods

Replace existing debugPrint and lprint with Loggers.app.warning to enhance logging consistency and maintainability.

* refactor: Remove redundant debug log prints

Clean up unnecessary log print statements in debug code

* feat(i18n): Added internationalization support for the logging feature

lib/data/model/sftp/req.dart

@@ -21,7 +21,8 @@ class SftpReq {
     }
     try {
       knownHostFingerprints = Map<String, String>.from(Stores.setting.sshKnownHostFingerprints.get());
-    } catch (_) {
+    } catch (e, s) {
+      Loggers.app.warning('Failed to load SSH known host fingerprints', e, s);
       knownHostFingerprints = null;
     }
   }