perf: use atomics for controller progress and state

Cargo.lock

@@ -538,6 +538,12 @@ version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
 
+[[package]]
+name = "atomic_float"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "628d228f918ac3b82fe590352cc719d30664a0c13ca3a60266fe02c7132d480a"
+
 [[package]]
 name = "atomicwrites"
 version = "0.4.2"
@@ -1349,6 +1355,7 @@ name = "cosmic-files"
 version = "1.0.9"
 dependencies = [
  "anyhow",
+ "atomic_float",
  "bzip2",
  "compio",
  "cosmic-client-toolkit",
@@ -1378,6 +1385,7 @@ dependencies = [
  "notify-debouncer-full",
  "notify-rust",
  "num_cpus",
+ "num_enum",
  "open",
  "ordermap",
  "paste",