perf: use generator expression for MRO filtering in WebDriver

[Dor-bl]

💡 What: Replaced filter(lambda x: not issubclass(x, WebDriver), self.__class__.__mro__) with a generator expression (x for x in self.__class__.__mro__ if not issubclass(x, WebDriver)).
🎯 Why: The lambda function inside filter introduced unnecessary function call overhead on every iteration through the Method Resolution Order (MRO) classes. A generator expression provides the same lazy evaluation without the function call overhead.
📊 Measured Improvement:
Baseline (Filter + lambda): ~2.93s per 100,000 iterations
Optimized (Generator expr): ~2.45s per 100,000 iterations
Improvement: ~16.23% speedup over baseline.

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PR created automatically by Jules for task 16702230390270600298 started by @Dor-bl

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