Bem-vindo aos extras do Thunderbird.
Adicione funcionalidades e estilos extra para tornar o Thunderbird só seu.
FecharDisable DragAndDrop (for Thunderbird 68+) 5.0.0
por Takayama Fumihiko
Disable drag and drop on the folder tree in order to prevent unintended folder movement.
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This extension prevents unintended folder movement.
Website: https://disable-draganddrop-tb.pqrs.org/
dev: https://github.com/pqrs-org/disable-draganddrop-tb