fix(server): request body read multiple times

[KATT]

Closes #5659

🎯 Changes

What changes are made in this PR? Is it a feature or a bug fix?

✅ Checklist

• I have followed the steps listed in the Contributing guide.
• If necessary, I have added documentation related to the changes made.
• I have added or updated the tests related to the changes made.

[github-actions]

Diagnostics Comparison

Numbers

Metric	PR	next
Files	795	795 (➖ 0)
Lines of Library	40,640	40,640 (➖ 0)
Lines of Definitions	118,098	118,098 (➖ 0)
Lines of TypeScript	4,967	4,967 (➖ 0)
Lines of JavaScript	0	0 (➖ 0)
Lines of JSON	0	0 (➖ 0)
Lines of Other	0	0 (➖ 0)
Identifiers	174,966	174,966 (➖ 0)
Symbols	109,035	109,035 (➖ 0)
Types	89	89 (➖ 0)
Instantiations	0	0 (➖ 0)
Memory used	175,734	174,800 (🔺 934)
Assignability cache size	0	0 (➖ 0)
Identity cache size	0	0 (➖ 0)
Subtype cache size	0	0 (➖ 0)
Strict subtype cache size	0	0 (➖ 0)

Timings and averages

Metric	PR	next
max (s)	4.47	4.111 (🔺 0.36)
min (s)	4.47	4.111 (🔺 0.36)
avg (s)	4.47	4.111 (🔺 0.36)
median (s)	4.47	4.111 (🔺 0.36)
length	1	1 (➖ 0)

unstable timings

Unstable

Timings are not reliable in here

Metric	PR	next
I/O Read time	0.04	0.04 (➖ 0)
Parse time	0.72	0.69 (🔺 0.03)
ResolveTypeReference time	0.03	0.03 (➖ 0)
ResolveModule time	0.11	0.1 (🔺 0.01)
ResolveLibrary time	0.02	0.02 (➖ 0)
Program time	1.06	1 (🔺 0.06)
Bind time	0.43	0.43 (➖ 0)
Total time	1.49	1.43 (🔺 0.06)

[github-actions]

This pull request has been locked because we are very unlikely to see comments on closed issues. If you think, this PR is still necessary, create a new one with the same branch. Thank you.