Refactor logging components and styles; remove unused CSS; enhance log icon functionality

- Removed the random color generation function from ProductionCapacity component.
- Updated ThroughputSummary component to remove unused imports.
- Simplified LogList component by removing unnecessary icons and integrating GetLogIcon for log types.
- Enhanced LoggerContext to support a new "success" log type and optimized logger methods with useMemo.
- Adjusted SimulationPlayer to conditionally render analysis components.
- Deleted index.css and removed its import from index.tsx.
- Cleaned up builder module by removing unused imports and optimizing state management.
- Removed savedTheme from Ground component.
- Changed log message from info to warning in Project component.
- Updated log color variables in SCSS files for better visibility and consistency.
- Added new log icons for success, error, info, and warning in LogIcons component.
- Created GetLogIcon utility to streamline log icon rendering based on log type.

app/src/index.tsx

@@ -1,6 +1,5 @@
 import React from 'react';
 import ReactDOM from 'react-dom/client';
-import './index.css';
 import App from './app';
 import reportWebVitals from './reportWebVitals';