[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/innerClass.kt

@@ -6,5 +6,5 @@ class A(val x: Int) {
     }
 }
 
-// LINES(JS):    1 1   2 2 3 5 4 4
-// LINES(JS_IR):     2 2 2 3   4 4 1 1 1 1 1 1
+// LINES(JS):    1 1     2 2 3 5 4 4
+// LINES(JS_IR):     2 2 2 2 3   4 4 1 1 1 1 1 1 1