fix(KT-52339): add newlines to SourceMap to calculate multiline comments in a right way.

js/js.translator/testData/box/jsCode/comments.kt

@@ -1,18 +1,28 @@
 // EXPECTED_REACHABLE_NODES: 1282
 // CHECK_COMMENT_EXISTS: text="Single line comment" multiline=false
+// CHECK_COMMENT_EXISTS: text="Second single line comment" multiline=false
+// CHECK_COMMENT_EXISTS: text="Third single line comment" multiline=false
+// CHECK_COMMENT_EXISTS: text="Forth single line comment" multiline=false
 // CHECK_COMMENT_EXISTS: text="Multi line comment" multiline=true
 // CHECK_COMMENT_EXISTS: text="Single line comment inside function" multiline=false
 // CHECK_COMMENT_EXISTS: text="Multi line comment inside function" multiline=true
 // CHECK_COMMENT_EXISTS: text="After call single line comment" multiline=false
 // CHECK_COMMENT_EXISTS: text="After call multi line comment" multiline=true
+// CHECK_COMMENT_EXISTS: text="The header multiline\ncomment" multiline=true
 // CHECK_COMMENT_DOESNT_EXIST: text="random position comment 1" multiline=true
 // CHECK_COMMENT_DOESNT_EXIST: text="random position comment 2" multiline=true
 // CHECK_COMMENT_DOESNT_EXIST: text="random position comment 3" multiline=true
+// CHECK_COMMENT_EXISTS: text="1Multi line comment\n" multiline=true
+// CHECK_COMMENT_EXISTS: text="2Multi line comment\n\n\n" multiline=true
+// CHECK_COMMENT_EXISTS: text="3Multi line\n\n\n\n\ncomment\n" multiline=true
+// CHECK_COMMENT_EXISTS: text="" multiline=true
 
 package foo
 
 fun box(): String {
     js("""
+        /* The header multiline
+        comment */
         function foo() {
             // Single line comment inside function
             Object;
@@ -20,7 +30,10 @@ fun box(): String {
         }
         
         // Single line comment
+        // Second single line comment
         foo();
+        // Third single line comment
+        // Forth single line comment
         
         /* Multi line comment */
         foo();
@@ -30,6 +43,26 @@ fun box(): String {
         foo(); /* After call multi line comment */
         
         var /*random position comment 1*/ c /*random position comment 2*/ = /*random position comment 3*/ "Random position";
+        
+        /* 1Multi line comment 
+        */
+        foo();
+        /* 2Multi line comment 
+
+
+        */
+        foo();
+        /* 3Multi line
+
+
+        
+        
+        comment 
+        */
+        foo();
+        
+        /**/
+        foo();
     """)
     return "OK"
 }