fixed question builder row issue, fixed UI minor issue, TRAPI issue

[Amaru333]

This pull request primarily standardizes code style by converting all string literals to use double quotes instead of single quotes and refactors some logic for consistency and clarity. It also fixes the data passed to the DownloadDialog for query downloads, ensuring the correct message structure is provided. Additionally, there are minor UI and style improvements.

The most important changes are:

Code Style and Consistency:

• Converted all string literals from single quotes to double quotes across multiple files for consistency (src/components/DownloadDialog.tsx, src/pages/entryPoint/ExampleModal.tsx, and others). [1] [2]
• Refactored several function calls and object initializations to be more concise and consistent with the new string style. [1] [2] [3]

Functionality Fixes:

• Fixed the DownloadDialog in both LeftDrawer.tsx and QueryBuilder.tsx to pass the correct message object for the "all_queries" download type, ensuring the dialog receives the full query message instead of just the query_graph. [1] [2]

UI and Style Updates:

• Updated some inline styles and class names to use double quotes and improved style consistency in ExampleModal.tsx and Download.tsx. [1] [2]
• Added a CSS rule to adjust the font size of .MuiTypography-h5 for better visual hierarchy.

Logic Improvements:

• Improved default file naming and dialog title in DownloadDialog.tsx to better reflect the download type ("Query" vs. "Answer"). [1] [2]
• Simplified logic in various places, such as the construction of CSV data and the handling of example queries. [1] [2]

These changes collectively improve code readability, maintainability, and user experience.

Closes RobokopU24/Feedback#284
Closes RobokopU24/Feedback#285