luci-app-uhttpd: adding "defaults" uhttpd server makes cert parameters disappear

[mikma]

Steps to reproduce:

1. go to: Services → uHTTPd
2. enter "defaults" to the left of "Add" and click "Add".

Actual behavior:

1. all values in the section "uHTTPd Self-signed Certificate Parameters" disappears.

Expected behavior:

1. the values in the section "uHTTPd Self-signed Certificate Parameters" should remain.

Additional Information:

OpenWrt version information from system /etc/openwrt_release

DISTRIB_ID='OpenWrt'
DISTRIB_RELEASE='SNAPSHOT'
DISTRIB_REVISION='r26515-6e51b363e9'
DISTRIB_TARGET='x86/64'
DISTRIB_ARCH='x86_64'
DISTRIB_DESCRIPTION='OpenWrt SNAPSHOT r26515-6e51b363e9'
DISTRIB_TAINTS=''

This problem is related to Named uci sections may be overwritten by misstake in luci

[jow-]

Likely caused by the same issue you reported in the forum: https://forum.openwrt.org/t/named-uci-sections-may-be-overwritten-by-misstake-in-luci/200130/5