How to reproduce:
1. Open the “LocalizationExportIssue“ project
2. In the Project window select the “Assets/Localization Settings” Asset
3. In the Inspector window under the “Available Locales” remove the “French (fr)” locale
4. Open the Localization Tables window (Window > Asset Management > Localization Tables)
5. Make sure to select “New Table(StringTable)” for the “Selected Table Collection” field
6. Export the table to CSV (3 dots > Export > CSV)

Expected result: The exported CSV file is properly formatted
Actual result: The exported CSV file is malformed

Reproduced with: 1.4.5 (2021.3.37f1), 1.5.1 (2021.3.37f1, 2022.3.24f1, 2023.2.18f1, 6000.0.0b14)

Reproduced on: macOS 14.4.1 (M1) (by reporter), Windows 11
Not reproduced on: No other environment tested

Note: An example of the malformed CSV file is provided in the internal comments