Add settings to configure terminal scroll limit (#8063)

Fixes https://github.com/zed-industries/zed/issues/7550
Also set maximum allowed to runnables' terminals.


Release Notes:

- Added settings to configure terminal scroll limit
([7550](https://github.com/zed-industries/zed/issues/7550))

crates/project/src/terminals.rs

@@ -57,6 +57,7 @@ impl Project {
             env,
             Some(settings.blinking.clone()),
             settings.alternate_scroll,
+            settings.max_scroll_history_lines,
             window,
             completion_tx,
         )