keybinds: Fix exit trigger by moving it to monitor.frame (#5240)

src/managers/input/InputManager.cpp

@@ -1189,9 +1189,6 @@ void CInputManager::onKeyboardKey(wlr_keyboard_key_event* e, SKeyboard* pKeyboar
 
         updateKeyboardsLeds(pKeyboard->keyboard);
     }
-
-    if (m_bExitTriggered)
-        g_pCompositor->cleanup();
 }
 
 void CInputManager::onKeyboardMod(void* data, SKeyboard* pKeyboard) {

src/managers/input/InputManager.hpp

@@ -251,8 +251,6 @@ class CInputManager {
 
     void restoreCursorIconToApp(); // no-op if restored
 
-    bool m_bExitTriggered = false; // for exit dispatcher
-
     friend class CKeybindManager;
     friend class CWLSurface;
 };