Caption popup: too much spacing when using the # markup.

[dawansv]

Describe the bug
There is too much spacing in the caption popup when using the # markup.

To Reproduce
Steps to reproduce the behavior:

1. Go to https://umap.openstreetmap.fr/en/map/reseau-de-benso-jamanu-en-2020_701348
2. Click on any data point
3. in the caption popup, notice the extra spacing below the popup heading

Expected behavior
More proportional spacing expected as shown in preferred version at bottom

Screenshots

Desktop (please complete the following information):

• OS: Win11
• Browser Edge
• Version 125.0.2535.51

Additional context
The popup underlying template is as such:

# {Type} de {Guichet}
Agence: **{Agence}**
Commune: **{Commune}**
Cercle: **{Cercle}**
Année de Création: **{Annee_Creation}**
Accessibilité: **{Accessibilite}**

It appears the code is using <br> elements to implement line breaks. However the # markup also calls for <h3>, hence the final code has <h3><br> which creates a double line break, hence the extra space. Also line height for <h3> is set to 3.

I have removed the extra <br> below <h3> and set line-height to 1.75 in my preferred version below