Disable dropdown on encondings if no option is available #421

Job	Run time
Version Bump 🤜🤛	0s
Audit Dependencies 🕵️‍♂️ / oysteR scan 🦪	2m 6s
gitleaks 💧 / gitleaks 💧	3s
gitleaks 💧 / PII Check 💳	0s
Coverage 📔 / Coverage 📔	2m 6s
Coverage 📔 / Covtracer 🐄	0s
Grammar Check 🔤 / Check 📝	10s
License Check 🃏 / Check 🚩	53s
Check URLs 🌐 / Validate Links 🔎	9s
SuperLinter 🦸‍♀️ / SuperLinter 🦸‍♂️	1m 29s
R CMD Check 🧬 / ghcr.io/insightsengineering/rstudio_4.3.1_bioc_3.17, version latest	2m 8s
Roxygen 🅾 / Manual pages check 🏁	2m 5s
Spell Check 🆎 / Check spelling 🔠	2m 5s
Style Check 👗 / Check code style 🔠	2m 6s
Version Check 🏁 / Emoji in NEWS.md 📰	11s
Version Check 🏁 / Version check 🏁	5s
Coverage 📔 / Publish coverage report 📰	1s
R CMD Check 🧬 / Publish JUnit HTML report 📰	1s
R CMD Check 🧬 / Upload build tar.gz	1s
	15m 39s

Provide feedback