Deprecate rootmodules custom command

[radeksimko]

Current Version

0.16.2

Use-cases

As described in #507 this command was succeeded by module.callers. The new command has much narrower scope and more appropriate name.

Proposal

It is proposed to deprecate the existing rootmodules command in favour of module.callers. Ideally clients (including the VS Code extension) should ask the server whether it supports certain commands before attempting to execute them, but I'm unsure whether this LSP convention is being followed.

Given that this command was historically used to "just" improve the UI, I'm thinking that returning error on execution should only mean that users are forced to type out module paths more often, but it shouldn't block anyone.

[github-actions]

This functionality has been released in v0.27.0 of the language server.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!

[github-actions]

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