Introduce network request handler (#4194)

* Impl NetworkMessageHandler

* Repalce Frontend fetch like messages with NetworkMessage

* Reimpl resource loading with NetworkMessage

* Fix wasm

* dedublicate resource requests

* Embedd font resources created by migration

* Fixup

* Fix tests

* Fix font catalog not loading

* Cleanup

* Fix layouts not updating when font catalog is loaded

* Review

* Review

* Cleanup

Cargo.lock

@@ -2191,6 +2191,7 @@ dependencies = [
  "num_enum",
  "once_cell",
  "preprocessor",
+ "reqwest",
  "serde",
  "serde_bytes",
  "serde_json",
@@ -2198,6 +2199,7 @@ dependencies = [
  "thiserror 2.0.18",
  "tokio",
  "tsify",
+ "url",
  "usvg",
  "vello",
  "wasm-bindgen",