Enhancement: Allow String Arrays as Values in Solo Feature

# Enhancement: Allow String Arrays as Values in Solo Feature

## Summary

Currently, the `solo` prop accepts an object where each property can only have a single string value for filtering. This enhancement request proposes extending the Solo Feature to support string arrays as property values, enabling multi-value filtering within a single solo object.

## Current Behavior

The `solo` parameter currently accepts:
- **Type**: `object` 
- **Description**: item that should be displayed solo
- **Default**: `null`

**Current Usage:**
```javascript
// Only single values supported per property
solo={{ firstName: 'John', state: 'NY' }}
```

## Proposed Enhancement

Extend the `solo` object properties to accept both single strings and string arrays:

### Single Value (Current - Maintained)
```javascript
solo={{ 
  firstName: 'John', 
  state: 'NY' 
}}
```

### Array Values (New Feature)
```javascript
solo={{ 
  firstName: ['John', 'Jane', 'Bob'],
  state: ['NY', 'CA'] 
}}
```

### Mixed Values (New Capability)
```javascript
solo={{ 
  firstName: ['John', 'Jane'],    // Multiple values
  department: 'Engineering',      // Single value
  state: ['NY', 'CA', 'TX']      // Multiple values
}}
```

## Use Cases

This enhancement would be valuable for:

1. **Multi-Value Filtering**: Display rows matching any of several values for a given property
2. **Category Analysis**: Filter by multiple dimensions simultaneously
3. **Flexible Data Exploration**: Allow users to select multiple filter values without complex query building
4. **Comparative Analysis**: Compare data across multiple related values (e.g., different product categories)

## Technical Implementation

### Filtering Logic
The enhancement would apply **OR logic** within each property's array:

```javascript
// This solo configuration:
solo={{ 
  state: ['NY', 'CA'], 
  department: ['Sales', 'Marketing'] 
}}

// Would match rows where:
// (state === 'NY' OR state === 'CA') AND (department === 'Sales' OR department === 'Marketing')
```

## Benefits

- **Enhanced Flexibility**: Support complex filtering scenarios with simple configuration
- **Improved User Experience**: Enable multi-select filtering without complex UI components
- **Backward Compatibility**: Zero breaking changes for existing implementations
- **Intuitive API**: Natural extension of the current solo object structure
- **Performance**: Efficient filtering without multiple component re-renders

## Implementation Considerations

### Array Handling
- Empty arrays should be treated as "match nothing" for that property
- Single-item arrays should behave identically to single string values
- Mixed data types within arrays should be handled gracefully (convert to strings)

### Edge Cases
- `solo={{ state: [] }}` - should filter out all rows
- `solo={{ state: [''] }}` - should match rows with empty/null state values
- `solo={{ state: null }}` - should be ignored (current behavior)

---

This enhancement maintains the simplicity of the current Solo Feature while significantly expanding its filtering capabilities through intuitive array support.

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