console: force disable readline bracketed paste

GNU Readline starting from version 8.1 has bracketed paste[0] enabled by
default which complicates handling pasted multiline text and is not
supported for now.

This patch disables the feature even if it is enabled in inputrc, by user
or by default.

[0] https://cirw.in/blog/bracketed-paste

Needed for #4317

NO_TEST=readline config
NO_DOC=readline config
NO_CHANGELOG=readline config

src/box/lua/console.c

@@ -910,6 +910,13 @@ tarantool_lua_console_init(struct lua_State *L)
 	history_comment_char = '#';
 	history_write_timestamps = 1;
 
+	/*
+	 * Force disable readline bracketed paste in console, even if it's
+	 * set in the inputrc, is enabled by default (eg GNU Readline 8.1),
+	 * or by user.
+	 */
+	rl_variable_bind("enable-bracketed-paste", "off");
+
 	serializer_yaml = lua_yaml_new_serializer(L);
 	serializer_yaml->encode_invalid_numbers = 1;
 	serializer_yaml->encode_load_metatables = 1;