Black screen in startup of app

## 🐛 Bug Report

When I open the release apk which is made using kitten UI, the app shows a black screen at startup for at least 2 to 4 seconds

## To Reproduce

Install Kitten UI
and add theme like this
```






```
## Expected behavior
no black screen should Come

## UI Kitten and Eva version

| Package | Version |
| ----------- | ----------- |
"@ui-kitten/components": "^5.3.1",
"@ui-kitten/eva-icons": "^5.3.1",
"@eva-design/eva": "^2.2.0",

metro-config code
```
const {getDefaultConfig, mergeConfig} = require('@react-native/metro-config');
const MetroConfig = require('@ui-kitten/metro-config');

const evaConfig = {
evaPackage: '@eva-design/eva',
// Optional, but may be useful when using mapping customization feature.
customMappingPath: './mapping.json',
};

// Make sure to handle any errors that might occur during configuration
module.exports = async () => {
try {
const defaultConfig = await getDefaultConfig(__dirname);

// Use mergeConfig from @react-native/metro-config to merge configurations
const mergedConfig = mergeConfig(defaultConfig, {
// Add your custom configuration options here if needed
});

// Create the final configuration using @ui-kitten/metro-config
const finalConfig = MetroConfig.create(evaConfig, mergedConfig);

return finalConfig;
} catch (error) {
// Handle errors appropriately, e.g., log them or throw
console.error('Error configuring Metro bundler:', error);
throw error;
}
};
```