Allow updating a file import process' element

Part of frontend#643 (closed)

mentioned in merge request tasks!222 (merged)

changed the description

requested review from @babadie

added 6 commits

• 21d84164...90cd14b9 - 5 commits from branch master
• 5c6b704b - Allow updating a file import process' element

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added 5 commits

• 5c6b704b...8694febd - 4 commits from branch master
• d01968ba - Allow updating a file import process' element

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merged

mentioned in commit 02922528