patch 8.2.2152: screenpos() does not include the WinBar offset

Problem:    screenpos() does not include the WinBar offset.
Solution:   Use W_WINROW() instead of directly using w_window. (closes #7487)

Author: brammool

src/move.c

@@ -1247,7 +1247,7 @@ textpos2screenpos(
 	    // character is left or right of the window
 	    row = scol = ccol = ecol = 0;
     }
-    *rowp = wp->w_winrow + row + rowoff;
+    *rowp = W_WINROW(wp) + row + rowoff;
     *scolp = scol + coloff;
     *ccolp = ccol + coloff;
     *ecolp = ecol + coloff;

src/testdir/test_cursor_func.vim

@@ -101,6 +101,11 @@ func Test_screenpos()
   close
   call assert_equal({}, screenpos(999, 1, 1))
   bwipe!
+
+  call assert_equal({'col': 1, 'row': 1, 'endcol': 1, 'curscol': 1}, screenpos(win_getid(), 1, 1))
+  nmenu WinBar.TEST :
+  call assert_equal({'col': 1, 'row': 2, 'endcol': 1, 'curscol': 1}, screenpos(win_getid(), 1, 1))
+  nunmenu WinBar.TEST
 endfunc
 
 func Test_screenpos_number()

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2152,
 /**/
     2151,
 /**/