Enhance catalog entry and code mode RHS panel to be able to create new catalog entry #1524

All 724 tests pass, 2 skipped in 21m 43s

    1 files ±    0     1 suites +1 21m 43s ⏱️ + 21m 43s
726 tests +726 724 ✔️ +724 2 💤 +2 0 ❌ ±0
731 runs +731 729 ✔️ +729 2 💤 +2 0 ❌ ±0

Results for commit 1ec41ea. ± Comparison against earlier commit 0baf052.