[🚀 Feature]: Java/CS FirefoxProfile to support addExtensioin temporary

Feature and motivation

Add to FirefoxProfile::addExtension option to add extensions as temporary

Other languages (Python, Ruby and Javascript) support providing config of adding extension as temporary For some reason Java/C# doesn’t provide config, just provides false, or nothing https://github.com/SeleniumHQ/selenium/blob/trunk/java/src/org/openqa/selenium/firefox/AddHasExtensions.java#L105 https://github.com/SeleniumHQ/selenium/blob/trunk/dotnet/src/webdriver/Firefox/FirefoxDriver.cs#L299

Usage example

When testing on release (non developer/nightly), an ‘unsigned’ xpi won’t load if it isn’t loaded as temporary

• where localy signed doesn’t count as signed.

On windows, when unpacking the xpi to load the folder, can lead to failures because of windows adding content like thumbs.db

		FirefoxProfile firefoxProfile = new FirefoxProfile();
		firefoxProfile.addExtension(a, true);

[titusfortner]

So, this feature won’t be part of FirefoxProfile class, but we can add support to the driver’s installAddon method.

[github-actions[bot]]

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