Merge Params with Body in API POST requests

[shbatm]

Bug Fix

API resources for module control and notifications allow for POST requests, but ignore the body of the request, so they don't actually work. This merges the body and params objects to allow POST requests to work properly for these two endpoints.

Steps to reproduce

Attempt to call a POST request with only body contents containng the moduleName and action to /api/module and you will get the default reponse of listing all modules' info. After the change, it will correctly call the action.

Additional info

Note this is required to allow creation of Home Assistant REST Switches to work properly for showing/hiding modules. These require the URL to be the same and only the body to change. Currently this doesn't work because you have to use GET requests to different urls.

[ezeholz]

Hey! Thank you so much for your contribution!
However, I believe that this way isn't the cleanest when we talk about API. We should grab both params and body separately, and later in the code compare if exist any inside those two.
Let me see what I can do to fix it. :D

[shbatm]

I was trying to keep it as simple as possible, the params are expanded first to use as much of the URL as is provided (e.g. enabling sending the module name in either URL or body) and then merging in the body variables.

If the user provides a variable in both, body will take precidence.

The answerXApi functions already handle the rest of the processing.

[github-actions]

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