Stray and bogged overlays do not support translucent pixels

The overlay textures for the bogged and stray do not support translucent pixels. When present, they will be rendered totally opaque.

Steps to Reproduce:

1. Apply the provided pack:
   StrayBoggedTranslucent.zip
2. Spawn a stray or bogged

Observed Behavior:

The translucent pixels in the texture will be opaque:

Expected Result:

Because the pixels in the texture are translucent, they would be rendered as such.
Notice in the bottom left how the opacity is set to 50%:

Notes:

1. Related to translucent pixel issues:
   MC-165182 MC-174732 MC-269440 MC-269441 MC-269445 MC-269622 MC-269627 MC-269751 MC-269832 MC-269834 MC-269936 MC-269937 MC-270051 MC-270518 MC-270519 MC-270563 MC-270564 MC-270640 MC-270641 MC-270678 MC-270680 MC-270692 MC-270697 MC-270698 MC-270726 MC-270741 MC-270764 MC-269083 MC-167900 MC-270765
2. Related to fixed translucent pixel issues:
   MC-192307 MC-200987 MC-268171 MC-251303 MC-269085 MC-269619 MC-269755 MC-269763 MC-270049 MC-165036