Fix terminal drag and drop (#23827)

Closes https://github.com/zed-industries/zed/discussions/23823

* Fixes terminal drag and drop not working after
https://github.com/zed-industries/zed/pull/23256
* Fixes project panel items drag and drop not working after selection
overhaul even earlier: now, all marked items are added to terminal on
drag and drop

Release Notes:

- Fixed terminal drag and drop, including project panel items

crates/terminal_view/src/terminal_view.rs

@@ -1130,7 +1130,6 @@ impl Render for TerminalView {
         let focused = self.focus_handle.is_focused(window);
 
         div()
-            .occlude()
             .id("terminal-view")
             .size_full()
             .relative()