Quick Play label string translations used for the Quick Play feature are broken

The Bug:

Labels used for the Quick Play feature (such as "custom", "singleplayer", "multiplayer", "creative", or "survival") are broken.

These exact strings were previously reported as untranslatable MCL-23675, which was resolved, however, the translations are still not displayed in the Launcher.

Steps to Reproduce:

• Open the Launcher in the version stated.

• Set the language to something that is not English (Settings) and enable experimental features.

• Click on the Minecraft: Java Edition tab.

• Go to Quick Play and look for the strings "custom", "singleplayer", "multiplayer", "creative" or "survival".

→ ❌ Regardless of the language selected, every label remains in English.

Observed Behavior:

Translations for these labels are NOT displayed in the Launcher.

Expected Behavior:

Translations for these labels are displayed in the Launcher.