TF-4269 Apply PR review: breadcrumbs, log error details, and code cleanup for NSE Sentry integration

- Replace capture(message:) with addBreadcrumb(level: .warning) in NotificationService for non-error diagnostic checkpoints
- Add addBreadcrumb method to SentryManager with category/level support
- Include error details in KeychainController SentryConfig decode failure log
- Split combined guard into two separate guards to distinguish nil state vs unchanged state
- Remove dead do-catch block in onComplete closure; use errors.forEach to capture real errors
- Translate Vietnamese doc comment to English in SentryManager

.github/workflows/release.yaml

@@ -178,8 +178,10 @@ jobs:
           # 4. Upload dSYMs (Native code: Swift, Objective-C, C++)
           DSYM_DIR="$XCARCHIVE/dSYMs"
           if [ -d "$DSYM_DIR" ]; then
+            echo "dSYM contents:"
+            ls -la "$DSYM_DIR"
             echo "Uploading dSYMs from $DSYM_DIR..."
-            sentry-cli debug-files upload --include-sources "$DSYM_DIR"
+            sentry-cli debug-files upload --include-sources --log-level info "$DSYM_DIR"
           else
             echo "::error::dSYMs directory not found inside xcarchive at $DSYM_DIR."
             exit 1