Dapps and RPC server merge (#5365)

* Dapps server as a middleware.

* Dapps RPC - Work in Progress

* Merging Dapps and RPC server.

* Fast HTTP server configuration.

* Bump jsonrpc

* Fixing test target

* Re-implementing commented-out tests.

dapps/src/tests/mod.rs

@@ -19,7 +19,6 @@
 mod helpers;
 
 mod api;
-mod authorization;
 mod fetch;
 mod redirection;
 mod rpc;