Refactor staff mode into a seperate crate and make copilot initialization wait for the staff mode flag to be flipped

Cargo.lock

@@ -1124,6 +1124,7 @@ dependencies = [
  "serde_derive",
  "settings",
  "smol",
+ "staff_mode",
  "sum_tree",
  "tempfile",
  "thiserror",
@@ -1352,6 +1353,7 @@ dependencies = [
  "serde_derive",
  "settings",
  "smol",
+ "staff_mode",
  "theme",
  "util",
  "workspace",
@@ -6360,6 +6362,14 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
 
+[[package]]
+name = "staff_mode"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "gpui",
+]
+
 [[package]]
 name = "static_assertions"
 version = "1.1.0"
@@ -6678,6 +6688,7 @@ dependencies = [
  "postage",
  "settings",
  "smol",
+ "staff_mode",
  "theme",
  "util",
  "workspace",
@@ -8578,6 +8589,7 @@ dependencies = [
  "simplelog",
  "smallvec",
  "smol",
+ "staff_mode",
  "sum_tree",
  "tempdir",
  "terminal_view",