Reproduction steps:
1. Open "SwitchPlatformScriptIssue-2019.3.0b1.zip" project
2. Open "Test Menu" and see "Run Windows"
3. Switch Platform to Android
4. Open "Test Menu" and see "Run Android"
5. Switch Platform to Windows
6. Open "Test Menu" and still see "Run Android"

Expected Result: Editor scripts recompile after Platform switch

Reproduced with: 2020.1.0a3, 2019.3.0b2, 2019.3.0b1, 2019.3.0a11, 2019.3.0a10
Did not reproduce on: 2019.3.0a9, 2019.3.0a8, 2019.3.0a6, 2019.3.0a5, 2019.3.0a1, 2019.2.5f1, 2018.4.8f1, 2017.4.32f1

Note:
2019.3.0b2 - Reproduced on step 4