The Bug
When Shifting and having any item in your hand you are unable to open blocks that take you to a User Interface

Replicate

• Shift (You can toggle it to make it easier)
• Place a block with a User Interface (Crafting Table, Stone Cutter, Blast Furnace, Chest etc.)
• Hold any item in your hand (I used a stick)
• Click to open User Interface
• Notice that you can't