### What problem does this PR solve?

Fix: Modify the text of the category operator form #4412

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

### What problem does this PR solve?

Feat: The Begin and IterationStart operators cannot be deleted using
shortcut keys #4287

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

Feat: Limit the iteration start node to only be the source node #4242

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

Feat: Add the iteration Node #4242

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

feat: Translation test run form #3355
feat: Wrap QueryTable with Collapse #3355
feat: If the required fields are not filled in, the submit button will
be grayed out. #3355
feat: Add RunDrawer #3355

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

### What problem does this PR solve?

feat: Add DynamicInputVariable to RetrievalForm #1739
### Type of change

- [x] New Feature (non-breaking change which adds functionality)