Correct 2 institutes and create 1 new institute in DB

[afalenski]

As a future MiBi-Portal user I would like to register with my institute. This is currently missing.

• 1 new institute necessary
• correction of 2 institutes necessary

JSON-Text with corrected entries: See email to BL and IG on 25.10.2022@16:16

[afalenski]

Hey team! Please add your planning poker estimate with Zenhub @birgitlewicki @GerberI

[afalenski]

• Institutes can be selected in the registry form.
• There is one new institute and two entries were corrected. Done.

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  Tested with Machine: BfR-Laptop

OS: Windows 10

Browsers:

• Firefox 91.13.0esr (64-Bit)