first pass of merging in warp (doesn't build)

crates/integration/Cargo.toml

@@ -44,7 +44,7 @@ galaxy_core.workspace = true
 warp-command-signatures.workspace = true
 warp_multi_agent_api.workspace = true
 warp-workflows.workspace = true
-galaxyui.workspace = true
+galaxyui_core.workspace = true
 galaxyui_extras = { workspace = true, features = [
     "user_preferences-file",
 ] }
@@ -65,4 +65,5 @@ nix = { workspace = true, features = ["user", "signal"] }
 
 [features]
 run_on_linux = []
+drag_tabs_to_windows = ["galaxy/drag_tabs_to_windows"]
 default = ["run_on_linux"]