Do not set default argument values from JSON Schemas

[tcompa]

Checklist before merging

• I added an appropriate entry to CHANGELOG.md
• I merged main into the current branch.

[github-actions]

Benchmark comparison

GET /api/alive/

User	Time current (ms)	Time main (ms)	Ratio current/main	Size current (Kb)	Size main (Kb)
vanilla	0.8	0.9	0.89	0.0	0.0
power	0.8	0.8	1.00	0.0	0.0
dataset	0.8	0.8	1.00	0.0	0.0
project	0.8	0.8	1.00	0.0	0.0
job	0.8	0.8	1.00	0.0	0.0

GET /api/v2/dataset/

User	Time current (ms)	Time main (ms)	Ratio current/main	Size current (Kb)	Size main (Kb)
vanilla	8.6	8.5	1.01	0.7	0.7
power	407.9	416.8	0.98	440.2	440.2
dataset	159.3	164.1	0.97	171.2	171.2
project	47.8	47.0	1.02	58.9	58.9
job	27.7	30.7	0.90	41.7	41.7

GET /api/v2/job/

User	Time current (ms)	Time main (ms)	Ratio current/main	Size current (Kb)	Size main (Kb)
vanilla	5.8	5.8	1.00	2.2	2.2
power	135.8	139.2	0.98	652.0	652.0
dataset	137.4	140.0	0.98	904.8	904.8
project	44.8	47.5	0.94	283.7	283.7
job	36.0	37.0	0.97	224.8	224.8

GET /api/v2/project/

User	Time current (ms)	Time main (ms)	Ratio current/main	Size current (Kb)	Size main (Kb)
vanilla	6.1	6.2	0.98	0.1	0.1
power	5.9	6.0	0.98	0.1	0.1
dataset	5.9	6.1	0.97	0.1	0.1
project	7.7	7.9	0.97	2.3	2.3
job	5.8	6.0	0.97	0.1	0.1

GET /api/v2/workflow/

User	Time current (ms)	Time main (ms)	Ratio current/main	Size current (Kb)	Size main (Kb)
vanilla	12.6	10.4	1.21	0.8	0.8
power	23.9	24.0	1.00	29.8	29.8
dataset	19.1	18.7	1.02	17.1	17.1
project	22.1	21.8	1.01	21.5	21.5
job	10.1	13.7	0.74	0.9	0.9

POST /api/v2/project/3/dataset/404/images/query/

User	Time current (ms)	Time main (ms)	Ratio current/main	Size current (Kb)	Size main (Kb)
dataset	148.3	149.4	0.99	275.1	275.1

[github-actions]

Coverage report

Click to see where and how coverage changed

File	Statements	Missing	Coverage	Coverage (new stmts)	Lines missing
fractal_server
__init__.py
fractal_server/app/models/v2
task.py
fractal_server/app/routes/api/v2
workflowtask.py
Project Total

This report was generated by python-coverage-comment-action