fix(repl): print unhandled rejections and event errors (#18878)

Fixes #8858.
Fixes #8869.

```
$ target/debug/deno
Deno 1.32.5
exit using ctrl+d, ctrl+c, or close()
REPL is running with all permissions allowed.
To specify permissions, run `deno repl` with allow flags.
> Promise.reject(new Error("bar"));
Promise { <rejected> Error: bar
    at <anonymous>:2:16 }
Uncaught (in promise) Error: bar
    at <anonymous>:2:16
> reportError(new Error("baz"));
undefined
Uncaught Error: baz
    at <anonymous>:2:13
>

1 files changed, 10 insertions, 0 deletions

diff --git a/core/realm.rs b/core/realm.rs
index 08a550294..f907553f0 100644
--- a/core/realm.rs
+++ b/core/realm.rs
@@ -4,6 +4,7 @@ use crate::bindings;
 use crate::modules::ModuleCode;
 use crate::ops::OpCtx;
 use crate::runtime::exception_to_err_result;
+use crate::JsRuntime;
 use anyhow::Error;
 use std::cell::RefCell;
 use std::collections::HashMap;
@@ -288,6 +289,15 @@ impl<'s> JsRealmLocal<'s> {
     drop(context_state);
 
     let exception = v8::Local::new(scope, handle);
+    let state_rc = JsRuntime::state(scope);
+    let state = state_rc.borrow();
+    if let Some(inspector) = &state.inspector {
+      let inspector = inspector.borrow();
+      inspector.exception_thrown(scope, exception, true);
+      if inspector.has_blocking_sessions() {
+        return Ok(());
+      }
+    }
     exception_to_err_result(scope, exception, true)
   }
 }