feat(template-samples): dropdown typecheck and improved loading state with spinners on loading on selection of sampes

[Vinyl-Davyl]

Feature Enhancements:

1. Dropdown Typecheck Implementation:

• Implemented thorough type checking within the template samples dropdown feature.
• Ensures strict adherence to data types, preventing potential runtime errors.
• Enhances code reliability and stability, contributing to a more robust application architecture.

2. Enhancing Loading State with Spinner Animations, Ensuring Loading Checks on all load samples on click before displaying loaded data from samples:

• Revamped the loading state functionality to provide a more intuitive user experience.
• Integrated spinner animations to visually indicate ongoing loading processes.
• Improves user feedback by offering clear visual cues during sample selection.
• Enhances overall usability and responsiveness, particularly on slower network connections.

These enhancements aim to elevate the usability and reliability of the template samples section. By enforcing strict type checking and enhancing loading feedback with spinner animations, this PR enhances the project's user interface, making it more user-friendly and resilient.

[Vinyl-Davyl]

review this please @dselman