Refactor and clean up code formatting across multiple files

- Consolidated and simplified code formatting by removing unnecessary line breaks and improving readability in various functions.
- Updated the handling of backup file sending in backup.py for better clarity.
- Streamlined error handling and logging messages in several handlers to enhance consistency.
- Adjusted the Makefile to exclude specific files during Ruff checks and formatting.
- Made minor adjustments to function signatures and parameter handling for improved clarity and consistency.

This commit enhances code maintainability and readability without altering functionality.

Makefile

@@ -1,6 +1,7 @@
 formatting:
-	@echo "Running Ruff..." && ruff check . --fix
-	@echo "Running Ruff format..." && ruff format .
+	@echo "Running Ruff format..." && ruff format . --config pyproject.toml --exclude main.py,handlers/payments
+
+	@echo "Running Ruff..." && ruff check . --config pyproject.toml --exclude main.py,handlers/payments --fix
 
 lint:
-	@echo "Running Ruff checks..." && ruff check .
+	@echo "Running Ruff checks..." && ruff check . --config pyproject.toml --exclude main.py,handlers/payments