feature: Add guest actors to episode view

[PartyDonut]

Pull Request Description

Adds guest actors to episode view.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request adds the ability to display guest actors on the episode detail screen. It introduces a new PeopleRow widget for displaying lists of people horizontally, and it also adds extension methods to filter lists of Person objects into main cast and guest actors. The EpisodeDetailModel is updated to include a list of guest actors.

Updated class diagram for EpisodeDetailModel

classDiagram
  class EpisodeDetailModel {
    SeriesModel? series
    List~EpisodeModel~ episodes
    EpisodeModel? episode
    List~Person~ guestActors
    +EpisodeDetailModel()
    +copyWith()
  }

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File-Level Changes

Change	Details	Files
Added a PeopleRow widget to display guest actors in the episode detail screen.	Added PeopleRow widget to display guest actors. Added a condition to check if there are any guest actors to display. Added contentPadding to the PeopleRow widget.	lib/screens/details_screens/episode_detail_screen.dart
Created a new PeopleRow widget to display a horizontal list of people.	Created a PeopleRow widget that takes a list of Person objects. Added a label to the HorizontalList based on whether the people are cast/crew or guest actors. Implemented navigation to the PersonDetailScreen when a person is tapped. Added a check to see if the person has a name before displaying them.	lib/screens/shared/media/people_row.dart
Added PeopleRow widgets to display main cast and guest actors in the season detail screen.	Added PeopleRow widget for main cast. Added PeopleRow widget for guest actors. Added conditions to check if there are any main cast or guest actors to display. Added contentPadding to the PeopleRow widgets.	lib/screens/details_screens/season_detail_screen.dart
Updated the EpisodeDetailModel to include a list of guest actors.	Added a guestActors property to the EpisodeDetailModel. Updated the copyWith method to include the guestActors property.	lib/providers/items/episode_details_provider.dart
Added extension methods to filter lists of Person objects into main cast and guest actors.	Added a guestActors getter that filters the list to only include guest actors. Added a mainCast getter that filters the list to exclude guest actors.	lib/util/people_extension.dart

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[sourcery-ai]

Hey @PartyDonut - I've reviewed your changes - here's some feedback:

Overall Comments:

• Consider extracting the logic for determining the PeopleRow label into a separate helper function for better readability.
• It might be good to add a comment explaining why the people.any check is needed in PeopleRow.

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Review instructions: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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