Proposed solution:

Refine Mouse Event Coordinate Mapping:
Investigate and correct how Compiz calculates mouse positions when "Show live 
previews of windows in switcher" is disabled. The root cause of mouse offset is 
likely due to incorrect mapping of input events in minimized and restored 
window states. A fix should ensure accurate pointer alignment by adjusting 
event coordinates considering window state and display scaling factors, tested 
across Intel and Nvidia drivers.

Ensure Stable Hot Corner State Persistence:
Modify Unity Plugin’s handling of the “Show Desktop” hot corner setting to 
reliably save and restore its configuration when toggling live preview 
functionality. This involves preventing unintended clearing or resetting of hot 
corner bindings, possibly by introducing state-check safeguards and better 
synchronization between the Compiz plugin and Unity settings daemon.

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https://bugs.launchpad.net/bugs/1311323

Title:
  disabling "Show live previews of windows in switcher" leads to wrong
  mouse position while enabling it breaks "Show Desktop" hot corner

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