Enhance catalog entry and code mode RHS panel to be able to create new catalog entry #7787

All 719 tests pass, 2 skipped in 21m 8s

    1 files ±0     1 suites ±0 21m 8s ⏱️ -2s
721 tests ±0 719 ✔️ ±0 2 💤 ±0 0 ❌ ±0
726 runs ±0 724 ✔️ ±0 2 💤 ±0 0 ❌ ±0

Results for commit c7e7122. ± Comparison against earlier commit 99656e6.