Improve logging

Author: socheatsok78

action.sh

@@ -7,12 +7,10 @@ fi
 
 # Check if Dart & Flutter SDK is installed
 if  [ ! "$(command -v flutter)" ]; then
-    echo '::warning::Flutter is not installed,'
-    echo 'Please use "uses: flutter-actions/setup-flutter@v4" to setup Dart & Flutter SDK.'
+    echo '::warning::Flutter is not installed, Please use "uses: flutter-actions/setup-flutter@v4" to setup Dart & Flutter SDK.'
 fi
 if [ ! "$(command -v dart)" ]; then
-    echo '::error::Dark is not installed'
-    echo 'Please use "uses: dart-lang/setup-dart@v1" or "uses: flutter-actions/setup-flutter@v4" to setup Dart or Flutter SDK.'
+    echo '::error::Dark is not installed, Please use "uses: dart-lang/setup-dart@v1" or "uses: flutter-actions/setup-flutter@v4" to setup Dart or Flutter SDK.'
     exit 1
 fi