Update SDH-CssLoader to v2.0.2

[suchmememanyskill]

SDH-CssLoader

Changelog:

• Onboarding
  • The text for if you have no themes is now reworded, additionally, the download button pops in and out to indicate you should click it.
• MOTD
  • There is now an API call to https://api.deckthemes.com/motd to display any messages the developers have.
    • This is very useful for conveying new features to users, or like what happened with SteamOS 3.5 where most themes broke and we had no way of informing users.
• Misc
  • The "Nav Toast Enabled" popup no longer shows on startup
  • The store button now has a download icon
  • Padding tweaks to fix ui on SteamOS 3.5
• Bug Fixes
  • Changing or toggling a theme now correctly updates the saved state of your profile, previously it wasn't applied until the next change.
  • Tabs in the fullscreen settings menu now properly animate

Checklist:

Developer Checklist

• I am the original author or an authorized maintainer of this plugin.
• I have abided by the licenses of the libraries I am utilizing, including attaching license notices where appropriate.

Plugin Checklist

• I have verified that my plugin works properly on the Stable and Beta update channels of SteamOS.
  • Only preview has been validated
• I have verified my plugin is unique or alternatively provides more/alternative functionality to a similar plugin already on the store.

Plugin Backend Checklist

• No: I am using a custom backend other than Python.
• No: I am using a tool or software from a 3rd party FOSS project that does not have it's dependencies statically linked.
• No: I am using a custom binary that has all of it's dependencies statically linked.

Testing

• Tested on SteamOS Stable/Beta Update Channel.

[TrainDoctor]

Code check good to go, sending to testing.

[nabel0]

Tested on SteamOS Stable/Beta Update Channel.
Everything works fine...

[outerwinnie]

Working as intended on stable, 3.5.7