I did exactly the same thing to mine when installing a new window handle (incorrectly). It looks exactly like mine (which is a two-piece), but you don't need to know that to replace the glass. The glass is just a friction-fit into the L-shaped frame. You will want a new rubber gasket and to just pluck out all the tiny broken tempered glass pieces out of the frame. Then wrap the gasket around the edge of the new glass before pushing it into the L-shaped frame (trimming the excess).
You can do all this without removing any components of your door. Just buy the correct lefthand (drivers side) piece of glass (because they're curved and not interchangeable), and install the window handle on your workbench before installing the glass into the L-frame. Watch a few YouTube videos first before installing the handle, because there's a correct way, and multiple wrong ways to do it. You'll need the tools shown in the image below. Don't fret. It's a fun little task if you do it slowly, and not right before you have to go anywhere important.
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