[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/stringLiteral.kt

@@ -4,5 +4,5 @@ fun box(x: Int): String {
            "suffix"
 }
 
-// LINES(JS):    1 5 2 2 3 4
-// LINES(JS_IR): 1   2 2 3 4
+// LINES(JS):    1   5 2 2 3 4
+// LINES(JS_IR): 1 1   2 2 3 4