Revert "[full] Don't force Node.js v10 in the PATH"

This reverts commit 6f17595.

Reason: Node.js debugging in Gitpod relies on a hard-coded Node.js
version in the $PATH.

full/Dockerfile

@@ -195,6 +195,7 @@ RUN curl -fsSL https://raw.githubusercontent.com/nvm-sh/nvm/v0.35.2/install.sh |
     && echo ". ~/.nvm/nvm-lazy.sh"  >> /home/gitpod/.bashrc.d/50-node
 # above, we are adding the lazy nvm init to .bashrc, because one is executed on interactive shells, the other for non-interactive shells (e.g. plugin-host)
 COPY --chown=gitpod:gitpod nvm-lazy.sh /home/gitpod/.nvm/nvm-lazy.sh
+ENV PATH=/home/gitpod/.nvm/versions/node/v${NODE_VERSION}/bin:$PATH
 
 ### Python ###
 LABEL dazzle/layer=lang-python