complex template "1: linear" currently is desactivated

[nbehrnd]

Avogadro version: (please complete the following information from the About box):

• Avogadrolibs: 1.98.1
• Qt: 5.15.2

Desktop version: (please complete the following information):

• OS: Windows, nightly build as provided by two.avogadro.cc today, [2023-11-25 Sat], md5sum 0abc9b430b1d4aa2064894a6130ce08c of Win64.exe.zip installed and used in native Windows
• Version 1.98.1

Describe the bug
The template for a linear complex with one ligand only is does not work (the linear one about two ligands however is working)

To Reproduce
Steps to reproduce the behavior:

1. click on "template" icon
2. select tab "centers"
3. select "1: linear"
4. tap with a mouse click on Avogadro's canvas -- no reaction. However
5. select "2: linear" (or any other type greater than 2)
6. tap with mouse click on Avogadro's canvas -- the template appears.

Expected behavior
Either type "1: linear" consisting of one central ion and one ligand is dropped for good (which then requires a new enumeration of the templates of complex geometries). Or, type "1: linear" provides a template ready to be used by a click as do the other options.

Current bypass
Selection of type "2: linear" of a central ion and two ligands, which eventually is edited.

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[github-actions]

Here are the build results
Avogadro2.AppImage
macOS.dmg
Win64.exe
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