[RFE] Support interactive mode in `run-command`

## Current situation

The current implementation of `run-command` command has the following limitation:

> - Scripts that prompt for information (interactive mode) aren't supported.

Ref: https://learn.microsoft.com/en-us/azure/virtual-machines/linux/run-command#restrictions

## Ideal future situation

After implementing https://github.com/Azure/kubectl-az/issues/24, we could reuse that logic to support interactive mode. If we are not able to support it without passing through Kubernetes, then the `run-command` should first try the interactive mode and automatically fallback to non-interactive mode if it fails (Kubernetes control plane is down).

Start at the run-command entry point and compare its current execution path with the interactive-mode logic requested in issue #24. Check the linked Azure Run Command restrictions and define how interactive success and Kubernetes control-plane failure should be recognized. Done means interactive prompts work and the documented fallback behavior is covered.

Written by the indexing model from the issue text.