Add/Remove explicit hydrogens feature doesn't work for Aromatic Either bond ([#6]:[#6])

[AlexeyGirin]

Environment details (please complete the following information):

• Ketcher Version 2.18.0-rc.4 Build at 2024-02-06; 13:45:28
• Indigo Toolkit Version 1.18.0-rc.6.0-g98bf384e0-x86_64-linux-gnu-11.2.1
• Chrome Version 120.0.6099.130 (Official Build) (64-bit)
• Win10
• Issue found while testing Expose Fold/Unfold hydrogens function in indigo API #1436
• Issue followed up from Add/Remove explicit hydrogens feature doesn't work for Aromatic Either bond ([#6]:[#6]) #1544

Describe the bug
Add/Remove explicit hydrogens feature doesn't work for Aromatic Either bond ([#6]:[#6])

Steps to Reproduce

1. Load from file: AromaticEitherBond.zip (unzip first)
2. Press Add/Remove explicit hydrogens button
   

Actual behavior:
Nothing happens

Expected behavior:

[AlexeyGirin]

Moved to Refined Backlog since not fixed over 3 releases