Activate applications and increase delays

[zenangst]

Replace static method calls with 'Self' syntax within AddToStagePlugin to ensure consistency and improve readability. Improve the logic for activating applications and resolving running applications to handle asynchronous operations more reliably. Introduce timeout-based retries for better error handling and to prevent infinite loops.

[github-actions[bot]]

Test: succeeded ✅ https://github.com/zenangst/KeyboardCowboy/actions/runs/9391454178

@zenangst