It would help to create another mode for hotspot double click.
Single click -> Walk -> Script
Double click -> Script
i.e. teleport to destination on double click.
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If a Hotspot's Double-clicking field is set to Triggers Interaction Instantly, it'll cause the Player character to be teleported to the Hotspot.
To customise double-click behaviour further, you can hook a custom script into the OnDoubleClickHotspot event, i.e.: