feat: Switch to landscape when fullscreen is activated

[Gowreesh-A-M]

• Added a setting to change orientation to landscape only when fullscreen mode is entered in WebView.
• Updated activities to respect this setting.
• WebChromeClient applies the orientation change on fullscreen.

[gemini-code-assist]

Summary of Changes

Hello @Gowreesh-A-M, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request implements a new feature that allows for configurable screen orientation behavior when a WebView enters fullscreen mode. Specifically, it introduces a lockToLandscape setting which, when enabled, will automatically switch the device's orientation to landscape for an immersive fullscreen experience. This change provides greater control over the user interface during media playback or other fullscreen WebView content.

Highlights

• New lockToLandscape Setting: Introduced a new boolean setting lockToLandscape in WebViewFragment to control whether the screen should automatically switch to landscape when entering fullscreen mode in a WebView.
• Conditional Orientation Change: The CustomWebChromeClient now uses this lockToLandscape setting to decide whether to force SCREEN_ORIENTATION_SENSOR_LANDSCAPE or SCREEN_ORIENTATION_SENSOR when a WebView enters fullscreen.
• Activity Integration: AbstractWebViewActivity, WebViewActivity, and WebViewWithSSO have been updated to pass and utilize this new LOCK_TO_LANDSCAPE setting, ensuring consistent behavior across different WebView implementations.

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[gemini-code-assist]

Code Review

This pull request introduces a new feature to switch to landscape orientation when fullscreen mode is activated in WebView. The changes involve adding a setting to control this behavior and updating activities and the WebChromeClient to respect the setting. The code changes look good, and I have added a review comment to address a potential issue.