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836a08084e
So that Ctrl+A, Ctrl+Z, etc. still fire on non-US keyboard layouts where the physical "A" key produces a non-Latin character (Cyrillic, Greek, some AZERTY combinations, ...). KeyboardManager now tries event.key first and falls back to a US-layout translation of event.code (KeyA => a, Digit1 => 1, Numpad1 => 1) when no shortcut is bound on event.key. Also refactors KeyboardManager to store modifiers as a bitmask instead of a serialized string, and treats a shortcut array without any "mac+"-prefixed entry as applying on all platforms, letting us drop the redundant "mac+X" duplicates of bare "X" entries across the editor code.