Bug fix/427 unresponsive form

fixes https://gitlab.ruhr-uni-bochum.de/FDM/rdm-system/antleaf-projectmanagement/-/issues/427#note_221996

We have handled the issue where the screen was clickable and user where able to add more entries to the form even when the form submission is in progress.

assigned to @anusha

added 58 commits

• fc6f3009...c3ffd813 - 57 commits from branch develop
• acc062e8 - Conflict resolved and synced with develop

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added Approved deployed for testing labels

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merged

mentioned in commit 0e9ebdb6