[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/propertyWithoutInitializer.kt

@@ -9,5 +9,5 @@ open class A {
     }
 }
 
-// LINES(JS):    1 2 4 7 7 8 8       4 4 4
-// LINES(JS_IR): 1     7 7 8 8 2 2 2 4 4 4
+// LINES(JS):      1 2 4 7 7 8 8       4 4 4
+// LINES(JS_IR): 1 1     7 7 8 8 2 2 2 4 4 4