chore(blackduck): add permission to nonroot user

SUITEDEV-35556

Dockerfile.codescan

@@ -10,10 +10,6 @@ WORKDIR /workspace/source
 RUN apt-get update
 RUN apt-get install -y curl git unzip
 
-RUN groupadd -r nonroot && useradd -r -s /bin/false -g nonroot nonroot
-RUN chown -R nonroot:nonroot /workspace/source
-USER nonroot
-
 #clone flutter
 RUN git clone https://github.com/flutter/flutter.git $FLUTTER_SDK
 
@@ -27,6 +23,12 @@ RUN cd /workspace/source
 
 RUN flutter doctor
 
+RUN groupadd -r nonroot && useradd -r -s /bin/false -g nonroot nonroot
+RUN chown -R nonroot:nonroot /workspace/source
+RUN chown -R nonroot:nonroot /usr/local/flutter
+RUN chown -R nonroot:nonroot /home/nonroot/.config
+USER nonroot
+
 # remove unnecessary files
 CMD flutter pub get && cat pubspec.lock && rm -rf example