Inesa/v1 docstrings for material controls

[InesaFitsner]

Description

Test Code

# Test code for the review of this PR

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist

• I signed the CLA.
• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings
• New and existing tests pass locally with my changes
• I have made corresponding changes to the documentation (if applicable)

Screenshots

Additional details

Summary by Sourcery

Add comprehensive docstrings to material controls in the Flet Python SDK, improving code documentation and readability

Enhancements:

• Improved code readability by adding comprehensive property descriptions
• Enhanced type and usage documentation for control properties
• Standardized docstring format across multiple controls

Documentation:

• Added detailed docstrings to multiple material controls, including TextField, NavigationRail, SearchBar, Switch, PopupMenuButton, DataTable, Tabs, Slider, SnackBar, RangeSlider, Tooltip, SegmentedButton, ProgressRing, OutlinedButton, TextButton, ProgressBar, AlertDialog, Container, SubmenuButton, Chip, VerticalDivider, AppBar, ExpansionTile, DatePicker, DropdownM2, Checkbox, FloatingActionButton, Banner, CircleAvatar, RadioGroup, ExpansionPanel, Badge, ElevatedButton, SelectionArea, Card, Divider, BottomAppBar, BottomSheet, and Icons