libp2p: default to preffering TLS

See libp2p/go-libp2p#2650.

core/node/libp2p/sec.go

@@ -31,11 +31,11 @@ func Security(enabled bool, tptConfig config.Transports) interface{} {
 	return func() (opts Libp2pOpts) {
 		opts.Opts = append(opts.Opts, prioritizeOptions([]priorityOption{{
 			priority:        tptConfig.Security.TLS,
-			defaultPriority: 200,
+			defaultPriority: 100,
 			opt:             libp2p.Security(tls.ID, tls.New),
 		}, {
 			priority:        tptConfig.Security.Noise,
-			defaultPriority: 100,
+			defaultPriority: 200,
 			opt:             libp2p.Security(noise.ID, noise.New),
 		}}))
 		return opts

docs/config.md

@@ -2199,7 +2199,7 @@ receiver supports. When establishing an _inbound_ connection, Kubo will let
 the initiator choose the protocol, but will refuse to use any of the disabled
 transports.
 
-Supported transports are: TLS (priority 100) and Noise (priority 300).
+Supported transports are: TLS (priority 100) and Noise (priority 200).
 
 No default priority will ever be less than 100.
 
@@ -2224,7 +2224,7 @@ TLS as the cross-platform, default libp2p protocol due to ease of
 implementation. It is currently enabled by default but with low priority as it's
 not yet widely supported.
 
-Default: `300`
+Default: `200`
 
 Type: `priority`