Work around dart-lang/sdk#47093

Author: Chuxel

containers/dart/.devcontainer/Dockerfile

@@ -23,7 +23,10 @@ RUN if ! cat /etc/group | grep -e "^pub-cache:" > /dev/null 2>&1; then groupadd
     && umask 0002 \
     && mkdir -p ${PUB_CACHE} \
     && chown :pub-cache ${PUB_CACHE} \
-    && sed -i -e "s/export PATH=/export PATH=\/usr\/local\/share\/pub-cache:/" /etc/profile.d/00-restore-env.sh
+    && sed -i -e "s/export PATH=/export PATH=\/usr\/local\/share\/pub-cache:/" /etc/profile.d/00-restore-env.sh \
+    #
+    # Fix incorrect privs if present on directories - https://github.com/dart-lang/dart-docker/issues/62, https://github.com/dart-lang/sdk/issues/47093
+    && chmod 755 "$DART_SDK" "$DART_SDK/bin"
 
 # [Optional] Uncomment this section to install additional OS packages.
 # RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \