[web] Update POST /options/dump API in backend.
[web] Update POST /options/dump API in backend.

ujjwal96/mitmproxy,MatthewShao/mitmproxy,MatthewShao/mitmproxy,mitmproxy/mitmproxy,mitmproxy/mitmproxy,vhaupert/mitmproxy,mitmproxy/mitmproxy,cortesi/mitmproxy,MatthewShao/mitmproxy,StevenVanAcker/mitmproxy,cortesi/mitmproxy,zlorb/mitmproxy,vhaupert/mitmproxy,ddworken/mitmproxy,mitmproxy/mitmproxy,Kriechi/mitmproxy,StevenVanAcker/mitmproxy,vhaupert/mitmproxy,zlorb/mitmproxy,mhils/mitmproxy,Kriechi/mitmproxy,MatthewShao/mitmproxy,ujjwal96/mitmproxy,ujjwal96/mitmproxy,mhils/mitmproxy,vhaupert/mitmproxy,cortesi/mitmproxy,zlorb/mitmproxy,mhils/mitmproxy,ddworken/mitmproxy,StevenVanAcker/mitmproxy,Kriechi/mitmproxy,mhils/mitmproxy,cortesi/mitmproxy,mitmproxy/mitmproxy,mhils/mitmproxy,ddworken/mitmproxy,ddworken/mitmproxy,Kriechi/mitmproxy,ujjwal96/mitmproxy,StevenVanAcker/mitmproxy,zlorb/mitmproxy