Quick Stack Buy

v1.2.0

Added
* **Stacks and Units quantity modes.**
* Added a **Units** mode for users who want to purchase an exact number of items.
* Added localized **Stacks** and **Units** buttons.
* Added accessibility options to choose how the popup is activated.
* Users can now choose between **Shift + left or right click** and **Ctrl + left or right click**.
* Added integration with the game's native **Settings** menu.
* The selected activation modifier is automatically saved between sessions.

Changed
* The quantity mode is now selected directly through the **Stacks** and **Units** buttons.
* The selected mode is visually disabled to clearly indicate which mode is active.
* The popup starts in **Stacks** mode by default.
* The total purchase price is displayed in both **Stacks** and **Units** modes.
* The popup layout has been compacted to provide a cleaner and more efficient interface.

Accessibility
* The default activation remains **Shift + left or right click**.
* Users can switch to **Ctrl + left or right click** if preferred.
* The selected modifier is saved automatically and remains active after reloading the interface or restarting the game.

Localization
* Added localized text for the new **Stacks**, **Units**, and accessibility options across all supported WoW locales.

Compatibility
* Updated the addon settings to use the modern WoW Settings system.
* Added SavedVariables to preserve the user's accessibility preference.