feat(clippy): cognitive-complexity rule (#5215)

* feat(config): enhance configuration initialization and validation process

* refactor(profile): streamline profile update logic and enhance error handling

* refactor(config): simplify profile item checks and streamline update flag processing

* refactor(disney_plus): add cognitive complexity allowance for check_disney_plus function

* refactor(enhance): restructure configuration and profile item handling for improved clarity and maintainability

* refactor(tray): add cognitive complexity allowance for create_tray_menu function

* refactor(config): add cognitive complexity allowance for patch_config function

* refactor(profiles): simplify item removal logic by introducing take_item_file_by_uid helper function

* refactor(profile): add new validation logic for profile configuration syntax

* refactor(profiles): improve formatting and readability of take_item_file_by_uid function

* refactor(cargo): change cognitive complexity level from warn to deny

* refactor(cargo): ensure cognitive complexity is denied in Cargo.toml

* refactor(i18n): clean up imports and improve code readability
refactor(proxy): simplify system proxy toggle logic
refactor(service): remove unnecessary `as_str()` conversion in error handling
refactor(tray): modularize tray menu creation for better maintainability

* refactor(tray): update menu item text handling to use references for improved performance

src-tauri/Cargo.toml

@@ -232,3 +232,4 @@ needless_raw_string_hashes = "deny" # Too many in existing code
 #restriction = { level = "allow", priority = -1 }
 
 or_fun_call = "deny"
+cognitive_complexity = "deny"