Add description to some parameters

[AlexandreSi]

Fixes #4701

When using the utils UseStandardRelationalOperatorParameters, UseStandardOperatorParameters and UseStandardParameters, this PR adds a new object ParameterOptions that can specify the parameter description and typeExtraInfo (used for selectors). It might holds units in the future.

This allows to replace generic descriptions Value and Value to compare with things like:

[D8H]

This should probably be the default parameter value.

[4ian]

When talking about this with Alex, I was worried of default values in JS. In C++ I guess it could work, and I guess if we put the "optional" flag in Bindings.idl, Emscripten would generate a call with the default value (well, a call to the function without the parameter, so it would take the default value).

I think we should:

• Still keep the MakeNewOptions for safety for now and consistency.
• Add the default parameter so that we can then remove things to make them less verbose.

[D8H]

I wonder if the method could be directly in the metadata to make the declaration faster to write and easier to read.
What do you think about renaming UseStandardOperatorParameters to something like AddOperatorAndValueParameters and declaring methods like SetLastParameterDescription?

[4ian]

I was thinking initially of using SetLastParameterDescription, but I have the feeling that it lacks some robustness... what if, one day for some reason, the value is not the "last parameter" anymore?
What if the parameter options include something like an acceptable range, that would have an impact on what operator is valid to use?

[4ian]

Lgtm. As discussed, this ParameterOptions might be removed entirely in the future in favor of a ValueTypeMetadata that would contain more information about a type (type, "extra info", acceptable value, unit - at least :)). It could help represents:
number (without units), string, but also things like "degrees", "speed" (number with a unit) or even "volume" (number with a unit and an acceptable range), "string with selector" (string with a list of acceptable options), etc...