Multi-select fields: Excel import truncates values and Workflows overwrite existing data

[ArcticCode1]

Bug Description
Excel Import Truncation: When importing an Excel file where a cell contains multiple tags (e.g., "Tag A, Tag B"), the system fails to parse the list. Only the first tag is transferred to the application; the rest are ignored.

Workflow Overwrite: When creating a workflow to add a specific tag to existing records, the action overwrites the entire field. All previously assigned tags are deleted, leaving only the new tag.

Expected behavior
Import: The Excel importer should recognize delimiters (such as commas, semicolons or two different columns in one column with two different tags) in Multi-select columns and map all values to the corresponding tags.

Workflow: The "Update Record" action should append the new tag to the existing array of tags, rather than replacing the current value.