By default all item-names dropped are displayed and clicking on an item-name moves your character to pick up an item.

This behavior is undesirable.

The way I would like it to behave is as follows:
1. Item names are always displayed on screen
2. Clicking on items on screen does NOT pick up the item.
3. Holding a pre-defined key (alt) and clicking on the item picks up the item.

This way I can prevent my character from picking up unwanted items accidentally.

Could you please help me find the documentation that explains how to configure this, or post the steps necessary to reach the desired configuration?

Additionally could you explain how to configure the client to never show item names on screen? (even when mouse is over them) That way I can enjoy a more cinematic experience if I wish.

Thank you!