patch 8.2.4911: the mode #defines are not clearly named

Problem:    The mode #defines are not clearly named.
Solution:   Prepend MODE_.  Renumber them to put the mapped modes first.
diff --git a/src/os_win32.c b/src/os_win32.c
index efb0cfd..7cb45d5 100644
--- a/src/os_win32.c
+++ b/src/os_win32.c
@@ -1678,7 +1678,7 @@
 # ifdef FEAT_MBYTE_IME
 	// May have to redraw if the cursor ends up in the wrong place.
 	// Only when not peeking.
-	if (State & CMDLINE && msg_row == Rows - 1 && msec != 0)
+	if (State == MODE_CMDLINE && msg_row == Rows - 1 && msec != 0)
 	{
 	    CONSOLE_SCREEN_BUFFER_INFO csbi;