[Bug]: xhttp custom config ignore when using custom configs

[ImMohammad20000]

预期情况

show the xhttp config

实际情况

xhttp custom config ignore when using custom configs subscription

复现方法

1- add a subscription 2- update sub

日志信息

.

额外信息

if there is any other config the xhttp will ignore and not show if there isn't any other config xhttp will save into a yaml file!!! please add splithttp as alias for xhttp for backward compatibility

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