Add support for new FileUpload component and fixes for modals

[Soheab]

Summary

This PR does the following:

• Add support for the new FileUpload component for modals (Modal File Upload discord/discord-api-docs#7887)
  • Added an example for the new component
• Add missing required kwarg to Channel/Mentionenable/Role/UserSelect classes
• Parse the resolved data from the modal submit interaction for selects and the new component
  • Fix Channel/Mentionenable/Role/UserSelect.values returning a list of ids instead of the relevant objects
• Fix not being able to submit a Modal with TextDisplays
• Correct various docstrings for Modal related components

Relevant references:

• Modal Selects discord/discord-api-docs#7804
• https://canary.discord.com/developers/docs/change-log#adding-more-modal-components
• Add missing field resolved to modal submit data structure discord/discord-api-docs#7829
• https://discord.com/channels/1317206872763404478/1317206872763404481/1417987236267561132

Checklist

• If code changes were made then they have been tested.
  • I have updated the documentation to reflect the changes.
• This PR fixes an issue.
• This PR adds something new (e.g. new method or parameters).
• This PR is a breaking change (e.g. methods or parameters removed/renamed)
• This PR is not a code change (e.g. documentation, README, ...)

[AbstractUmbra]

Some nitpicks