Pdf export_to_markdown wrong output

The export_to_markdown logic currently misplaces paragraph text under incorrect markdown headers. This results in combined or misplaced sections where paragraph content from one header appears under the next header instead.

...
## Mission-critical team members

## CIO

## CDAO and Team

Creates a collaborative working structure with the CDAO with clear responsibilities for each. The CIO needs to partner on technology trends, architecture, infrastructure, platforms and tools.

## Enterprise Application Leaders

Collaborate with the CDAO and enterprise architect to implement modern data management, analytical applications and composable solutions. They support and manage applications to achieve D&A strategy and governance objectives.

Build the foundation for the management, measurement and monetization of D&A assets for AI-driven innovation and business transformation. They ensure value realization by building a data-driven and data- and AI-literate culture and by leading data, analytics and AI governance initiatives to mitigate risk and ensure trust.

[ai-ready-data-roadmap.pdf](https://github.com/user-attachments/files/21428768/ai-ready-data-roadmap.pdf)

Correct Ouptut shoul be like Below;

...
## Mission-critical team members

## CIO
Creates a collaborative working structure with the CDAO with clear responsibilities for each. The CIO needs to partner on technology trends, architecture, infrastructure, platforms and tools.
## CDAO and Team
Collaborate with the CDAO and enterprise architect to implement modern data management, analytical applications and composable solutions. They support and manage applications to achieve D&A strategy and governance objectives.

## Enterprise Application Leaders
Build the foundation for the management, measurement and monetization of D&A assets for AI-driven innovation and business transformation. They ensure value realization by building a data-driven and data- and AI-literate culture and by leading data, analytics and AI governance initiatives to mitigate risk and ensure trust.