fix: Improve CLI parsing for Image Args

[chews93319]

Issue #, if available: Resolves #827

Description of changes:

Evaluate CLI args according to positional group.
<args_before_options><option_args><image_name><image_args>

This change introduces:

• Initial scan to identify the position of <option_args>
• Handling cases for various Flag permutations
• Function to handle various Flag&Argument permutations
• Pass through handling for Image and Image Arguments
• Associated Unit Test updates for new nerdctl output standards

Testing done:

• Successful make test-unit & make test-e2e
• manual testing with permutations of the commands listed below

./_output/bin/finch --debug container run -it --name="myContainer" -e "E=v" --rm busybox echo -e "hello\tbye"
./_output/bin/finch --debug container run -it --name="myContainer" -e"E=v" --rm busybox echo -e "hello\tbye"
./_output/bin/finch --debug container run -it --name="myContainer" --env="E=v" --rm busybox echo -e "hello\tbye"
./_output/bin/finch --debug container run -it --name="myContainer" --env-file=temp.env --rm busybox echo -e "hello\tbye"

./_output/bin/finch --debug container run -it --env-file=temp.env --rm busybox env
./_output/bin/finch --debug container run -it --env="E=v" --rm busybox env
./_output/bin/finch --debug container run -it -e "E=v" --rm busybox env
./_output/bin/finch --debug container run -it -e"E=v" --rm busybox env

./_output/bin/finch --debug run -it -e"E=v" --rm busybox env
./_output/bin/finch --debug run -it -e "E=v" --rm busybox env
./_output/bin/finch --debug run -it --env="E=v" --rm busybox env
./_output/bin/finch --debug run -it --env-file=temp.env --rm busybox env

./_output/bin/finch --debug run -it --env-file=temp.env --rm busybox echo -e "hello\tbye"
./_output/bin/finch --debug run -it --env="E=v" --rm busybox echo -e "hello\tbye"
./_output/bin/finch --debug run -it -e "E=v" --rm busybox echo -e "hello\tbye"
./_output/bin/finch --debug run -it -e"E=v" --rm busybox echo -e "hello\tbye" env

./_output/bin/finch --debug run -it -e"USER" --rm busybox echo -e "hello\tbye"
./_output/bin/finch --debug run -it -e "USER" --rm busybox echo -e "hello\tbye"
./_output/bin/finch --debug run -it --env="USER" --rm busybox echo -e "hello\tbye"

• I've reviewed the guidance in CONTRIBUTING.md

License Acceptance

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.