feat: Make DLNA port configurable (#4836)

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Signed-off-by: Ivan Pedrazas <ipedrazas@gmail.com>
Co-authored-by: WithoutPants <53250216+WithoutPants@users.noreply.github.com>

internal/api/resolver_query_configuration.go

@@ -199,6 +199,7 @@ func makeConfigDLNAResult() *ConfigDLNAResult {
 	return &ConfigDLNAResult{
 		ServerName:     config.GetDLNAServerName(),
 		Enabled:        config.GetDLNADefaultEnabled(),
+		Port:           config.GetDLNAPort(),
 		WhitelistedIPs: config.GetDLNADefaultIPWhitelist(),
 		Interfaces:     config.GetDLNAInterfaces(),
 		VideoSortOrder: config.GetVideoSortOrder(),