Fix TypeError in help command by handling mixed parameter types for sorting

[shubhamsugara22]

Summary:

This PR addresses the issue where the st2 run action pack.action -h command fails with a TypeError: '<' not supported between instances of 'str' and 'int'. The error occurs when sorting action parameters that have a mix of names (strings) and positions (integers). In Python 3, comparing these types directly causes a failure.

Root Cause:

The sorting function attempts to sort action parameters by either the position attribute (if present) or the name. In some cases, position is an integer while name is a string, leading to a type comparison error in Python 3.

Fix:

The _get_parameter_sort_value method has been updated to:

• Convert the position attribute to a string (if it exists) for consistent sorting.
• Fallback to sorting by the name when position is not available.
• Ensure Python 3 compatibility by avoiding mixed-type comparisons during parameter sorting.

Fixes #5130

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[shubhamsugara22]

@nzlosh @cognifloyd can you check getting lint error again and again adjusted the file according to black format still
logic is fine but because of lint check is failing