Prevent complete dataset edit

Closes #1671 (closed)

changed milestone to %Arkindex 1.5.3

requested review from @erouchet

assigned to @vrigal

added 4 commits

• 60a94606...76b57c0c - 2 commits from branch master
• 94c610a3 - Prevent editing anything on a complete dataset
• f626fd8e - Update tests

Compare with previous version

resolved all threads

added 5 commits

• f626fd8e...b6d1ec9c - 2 commits from branch master
• e52f6a7b - Prevent editing anything on a complete dataset
• 91883fe6 - Update tests
• 32801208 - Raise a 400 BAD_REQUEST instead of a 403

Compare with previous version

merged