feat(mkb): Add option to disable Ctrl+Scroll zoom in fullscreen

[huneyoliv]

Description

Added a new Mouse & Keyboard preference (StreamPref.MKB_DISABLE_ZOOM) to optionally block the Ctrl+Scroll browser zoom behavior when playing in fullscreen, preventing accidental browser scaling during intense gameplay.

Since it's implemented as a StreamPref, it natively supports being toggled globally or per-game in the Stream Settings overlay.

Changes made

• Added MKB_DISABLE_ZOOM to pref-keys.ts and stream-settings-storage.ts
• Exposed the setting toggle as the first option in the MKB settings tab in settings-dialog.ts
• Injected wheel event listeners that passively capture e.ctrlKey inside index.ts only when fullscreen is active.
• Added a translation array for the new "disable-zoom" string across all supported languages in translation.ts.

Testing

• Tested locally by compiling with Bun and validating the settings toggle in both Global and Stream overlays.
• Verified that Ctrl+Scroll zoom is successfully blocked in fullscreen and allowed normally when windowed or when the option is disabled.

(Note: I've read the README about PR rules, but this is a very helpful QoL/Accessibility feature to prevent zooming issues for Mouse/Keyboard players on PC browsers without needing external extensions. Please consider it!)

[redphx]

thank you. I'll take a look later.

[huneyoliv]

Don't add my PR now. I found a bug in specifics situations I will fix that.
When I have fixed, I return to warn you.

[Milborne]

hi

[huneyoliv]

Hi bro