#8792 Rename monomer symbol to monomer code in the monomer creation wizard.

[Copilot]

How the feature works? / How did you fix the issue?

Renames "Symbol" to "Code" in the monomer creation wizard UI and updates associated validation error messages.

Changes:

• MonomerCreationWizardFields.tsx: Changed attribute field title from "Symbol" to "Code"
• MonomerCreationWizard.constants.ts: Updated error messages:
  • invalidSymbol: "The monomer code must consist only of..."
  • symbolExists: "The code must be unique amongst..."
• monomer-creation.spec.ts: Updated test assertions to match new messages

Check list

• unit-tests written
• e2e-tests written
• documentation updated
• PR name follows the pattern #1234 – issue name
• branch name doesn't contain '#'
• PR is linked with the issue
• base branch (master or release/xx) is correct
• task status changed to "Code review"
• reviewers are notified about the pull request

Original prompt

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This section details on the original issue you should resolve

<issue_title>Rename monomer symbol to monomer code in the monomer creation wizard.</issue_title>
<issue_description>Background

A slight change for a more meaningful name of the monomer property.

Requirements

1. In the attributes panel of the monomer creation wizard, instead of Symbol the text should be Code.

2.1. The previous error message "The monomer symbol must consist only of uppercase and lowercase letters, numbers, hyphens (-), underscores (_), and asterisks (*)." should be changed to "The monomer code must consist only of uppercase and lowercase letters, numbers, hyphens (-), underscores (_), and asterisks (*)."

2.2. The previous error message "The symbol must be unique amongst peptide, RNA, or CHEM monomers." shoudl be changed to "The code must be unique amongst peptide, RNA, or CHEM monomers."
</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Rename monomer symbol to monomer code in the monomer creation wizard. #8792

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[AlexeyGirin]

Comment from @ljubica-milovic: Looks good