[JS IR] Improve debug info precision for blocks

Namely:
- Generate debug info for closing braces, which allows the breakpoints
  set on closing braces to be hit
- Generate debug info for 'if' and 'try/catch' statements.

KT-46276

js/js.translator/testData/lineNumbers/expressionAsFunctionBody.kt

@@ -4,5 +4,5 @@ fun box() =
 fun foo() =
         23
 
-// LINES(JS):    1 2 2 4 5 5
-// LINES(JS_IR): 1 2 2 4 5 5
+// LINES(JS):    1 2 2   4 5 5
+// LINES(JS_IR): 1 2 2 2 4 5 5 5