Allow to add pictures in questionnaire form questions

[zywz666]

Nextcloud (please complete the following information):

• Nextcloud-Version: stable
• Forms-Version: stable

Is your feature request related to a problem? Please describe. Wish the Nextcloud Form allows to include pictures in questions.

Describe the solution you'd like Capability to upload a picture and embedded into the question.

Describe alternatives you've considered A clear and concise description of any alternative solutions or features you've considered.

Additional context Add any other context or screenshots about the feature request here.

[Chartman123]

Duplicate of #1006