patch 9.1.0186: cursor pos wrong on mouse click after eol with 'rl', 've' and conceal

Problem:  Wrong cursor position when clicking after end of line with
          'rightleft', 'virtualedit' and conceal.
Solution: Set values in ScreenCols[] also with SLF_RIGHTLEFT.  Also fix
          off-by-one cursor position with 'colorcolumn' (zeertzjq).

closes: #14218

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/drawline.c b/src/drawline.c
index cc1bed6..ed02f3c 100644
--- a/src/drawline.c
+++ b/src/drawline.c
@@ -975,15 +975,14 @@
 		++wlv->off;
 		++wlv->col;
 	    }
+	    ++wlv->vcol;
 
-	    if (VCOL_HLC >= rightmost_vcol
+	    if (VCOL_HLC > rightmost_vcol
 # ifdef LINE_ATTR
 		    && wlv->line_attr == 0
 # endif
 		    && wlv->win_attr == 0)
 		break;
-
-	    ++wlv->vcol;
 	}
     }
 #endif