.devcontainer errors on build with "failed to create symbolic link '/usr/bin/pip': File exists"

[glennmusa]

Description
Users cannot build a container with the .devcontainer

Steps to Reproduce
Steps to reproduce the behavior:

1. clone the repo and re-open in container
2. or create a codespace from main

Expected behavior
A container is built and you have the tools you need to develop

Actual behavior
The container fails to build, erroring out at this block: https://github.com/Azure/missionlz/blob/main/.devcontainer/Dockerfile#L28-L33

[brooke-hamilton]

Until we get a fix checked in, a workaround is to edit the Dockerfile to remove the line that creates a symbolic link for pip.

# Install Python 3
RUN apt-get update \
    && apt-get install -y \
    python3 \
    python3-pip \
    && ln -s /usr/bin/python3 /usr/bin/python
    # && ln -s /usr/bin/pip3 /usr/bin/pip --this line is removed because it causes a build error