MISLEADING, NOT at Qatar World Cup 2022. FACT: the shared footage is a performance session of the Omni Hoverboard vehicle in the final event of the 2019 King Cup Saudi.
More in the EXPLANATION and REFERENCES section.
CATEGORY: Misleading content.
SOURCE: YouTube, https://archive.ph/tUB0V (backup archive).
NARRATIVE: “Qatar Fifa World Cup 2022 | Drone Show| Saudi man on drone with flag in Qatar WC 2022| Drone Show”
Based on 7 Types of Mis- and Disinformation by First Draft News, classified as “Misleading content: Misleading use of information to frame an issue or individual”. 
The SOURCE shared a content by adding FALSE narrative which has caused MISLEADING conclusion. NOT at Qatar World Cup 2022, FACT: the shared footage is a performance session of the Omni Hoverboard vehicle in the final event of the 2019 King Cup Saudi.
One of the identical videos, الاهلي اليوم on Facebook on May 3, 2019:”الرجل الطائر في نهائي كأس الملك بين الاتحاد والتعاون”(Google Translate: “The flying man in the King’s Cup final between Al-Ittihad and Al-Taawon”). 
Other Related References
Another footage from different point of view, Saudi Times on May 6 2019: “#King Cup Final #Saudi 2019 #Riyadh” 
About the final of the 2019 King Cup Saudi (also spelled as “King’s Cup Saudi”), GOALZZ: “Winner: Al Taawoun Saudi Arabia” 
About the Omni Hoverboard vehicle, OMNI HOVERBOARDS: “The Omni Hoverboard is the first propeller-based aeronautical vehicle for a free-standing pilot. This achievement of producing the first flying hoverboard garnered attention unlike anything we could ever have imagined. From the Carnival in Rio de Janeiro to the Cup Finals of multiple countries, we flew for some of the biggest audiences around the world.” 
 firstdraftnews.org: “Understanding Information disorder”, https://bit.ly/34P3vBc / https://archive.md/02Dro (backup archive).
 facebook.com, http://bit.ly/3EzG7t5 / https://archive.ph/MQ5ia (backup archive).
 youtube.com: “#King Cup Final #Saudi 2019”, http://bit.ly/3U5fDp1 / https://archive.ph/FnRoJ (backup archive).
 goalzz.com: “Custodian of the Two Holy Mosques Cup – Saudi Arabia 2019”, http://bit.ly/3EXADcL / https://archive.ph/Ai18T (backup archive).
 omnihoverboards.com: “The invention that got international acclaim”, http://bit.ly/3OwnLh0 / https://archive.ph/xr0H4 (backup archive).