patch 9.0.0151: a "below" aligned text property does not work with 'nowrap'

Problem:    A "below" aligned text property does not work with 'nowrap'.
Solution:   Start a new screen line to display the virtual text.
            (closes #10851)
diff --git a/src/misc1.c b/src/misc1.c
index 76ac88e..f3d90f8 100644
--- a/src/misc1.c
+++ b/src/misc1.c
@@ -364,9 +364,6 @@
 #endif
     int		lines;
 
-    if (!wp->w_p_wrap)
-	return 1;
-
     if (wp->w_width == 0)
 	return 1;
 
@@ -377,7 +374,16 @@
 	return 1;
 #endif
 
-    lines = plines_win_nofold(wp, lnum);
+    if (!wp->w_p_wrap)
+	lines = 1
+#ifdef FEAT_PROP_POPUP
+	    // add a line for each "below" aligned text property
+		    + prop_count_below(wp->w_buffer, lnum)
+#endif
+	;
+    else
+	lines = plines_win_nofold(wp, lnum);
+
     if (winheight > 0 && lines > wp->w_height)
 	return wp->w_height;
     return lines;