Change message when project is busy

[i-oden]

Before submitting this PR

1. Description: There is a message being displayed about the project being busy with upload, download etc, but this functionality has been changed. The projects are only set as busy during status changes. This updates the message.
2. Jira task / GitHub issue: DDS-1588
3. How to test: Add information on how someone could manually test this functionality. As detailed as possible.
4. Type of change: Check the relevant boxes in the section below
5. Add docstrings and comments to code, even if you personally think it's obvious.

What type of change(s) does the PR contain?

• New feature
  • Breaking: Please describe the reason for the break and how we can fix it.
  • Non-breaking
• Database change
  • Migration included in PR
  • Migration not needed
• Bug fix
  • Breaking: Please describe the reason for the break and how we can fix it.
  • Non-breaking
• Security Alert fix
• Documentation
• Tests (only)
• Workflow

Checklist

• Sprintlog
  • Added
  • Not needed (E.g. PR contains only tests)
• Rebase / Update / Merge from base branch (the branch from which the current is forked)
  • Done
  • Not needed
• Blocking PRs
  • Merged
  • No blocking PRs
• PR to master branch
  • Yes: Read the release instructions
    • I have followed steps 1-8.
  • No

Actions / Scans

• Black: Python code formatter. Does not execute. Only tests.
  Run black . locally to execute formatting.
  • Passed
• Prettier: General code formatter. Our use case: MD and yaml mainly.
  Run npx prettier --write . locally to execute formatting.
  • Passed
• Yamllint: Linting of yaml files.
  • Passed
• Tests: Pytest to verify that functionality works as expected.
  • New tests added
  • No new tests
  • Passed
• CodeQL: Scan for security vulnerabilities, bugs, errors
  • New alerts: Go through them and either fix, dismiss och ignore. Add reasoning in items below.
  • Alerts fixed: What?
  • Alerts ignored / dismissed: Why?
  • Passed
• Trivy: Security scanner
  • New alerts: Go through them and either fix, dismiss och ignore. Add reasoning in items below.
  • Alerts fixed: What?
  • Alerts ignored / dismissed: Why?
  • Passed
• Snyk: Security scanner
  • New alerts: Go through them and either fix, dismiss och ignore. Add reasoning in items below.
  • Alerts fixed: What?
  • Alerts ignored / dismissed: Why?
  • Passed

[codecov]

Codecov Report

Merging #1450 (64549be) into dev (ef9f198) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##              dev    #1450   +/-   ##
=======================================
  Coverage   89.49%   89.49%           
=======================================
  Files          29       29           
  Lines        4389     4390    +1     
=======================================
+ Hits         3928     3929    +1     
  Misses        461      461           

Files Changed	Coverage Δ
dds_web/api/project.py	89.78% <100.00%> (+0.02%)	⬆️