fix (plugin): added missing imports

Author: Gilles Grousset

sonar-flutter-plugin/src/main/java/fr/insideapp/sonarqube/flutter/FlutterPlugin.java

@@ -22,6 +22,8 @@
 import fr.insideapp.sonarqube.dart.lang.Dart;
 import fr.insideapp.sonarqube.dart.lang.DartSensor;
 import fr.insideapp.sonarqube.dart.lang.issues.DartProfile;
+import fr.insideapp.sonarqube.dart.lang.issues.DartProfilePedantic190;
+import fr.insideapp.sonarqube.dart.lang.issues.dartanalyzer.AnalyzerMode;
 import fr.insideapp.sonarqube.dart.lang.issues.dartanalyzer.DartAnalyzerRulesDefinition;
 import fr.insideapp.sonarqube.dart.lang.issues.dartanalyzer.DartAnalyzerSensor;
 import fr.insideapp.sonarqube.flutter.coverage.FlutterCoverageSensor;