repl: Create better terminal output for REPL stdio (#15715)

Rely on our implementation of a GPUI powered alacritty terminal to
render stdout & stderr from the repl.

Release Notes:

- Fixed ANSI escape code and carriage return handling in repl outputs
(https://github.com/zed-industries/zed/issues/15640,
https://github.com/zed-industries/zed/issues/14855)


https://github.com/user-attachments/assets/bd3f1584-863a-4afa-b60b-9d222a830ff8

---------

Co-authored-by: Mikayla <mikayla@zed.dev>

crates/editor/src/editor.rs

@@ -10167,7 +10167,7 @@ impl Editor {
         blocks
     }
 
-    pub(crate) fn resize_blocks(
+    pub fn resize_blocks(
         &mut self,
         heights: HashMap<CustomBlockId, u32>,
         autoscroll: Option<Autoscroll>,