fix: overlapping "10" sur d10, hover, suppression dice-so-nice

Plage de des dans la feuille
- "10" superpose sur l'icone d10 (plus de colonne verticale)
- Passe de 40x56px a 40x40px (carre)
- Couleur hover (bordure + texte violets, glow)

Boutons fa-dice-d10 (magies, kung-fu, armes, initiative)
- Override CSS : affiche "10" + icone d10 SVG superposes
- Couleur hover sur le texte "10"

Suppression images dice-so-nice inutilisees
- src/ui/dice.js supprime (referencait des images manquantes)
- Import et appel registerDice retires de system.js

Divers
- Retire img-die-sm des templates skills/nghang (ecrasait la taille des plaques)
- Reduit padding/gaps de la grille de faces dans le chat
- Supprime overflow:hidden sur cde-roll-result

templates/actor/parts/cde-character-skills.html

@@ -3,7 +3,7 @@
   {{#each systemData.skills as |skill key|}}
   <tr>
     <td class="click cde-die-cell" data-libel-id="{{key}}-skill">
-      <img class="img-die-sm" src="systems/fvtt-chroniques-de-l-etrange/images/d10-10.webp" title="{{ localize 'CDE.Die' }}{{ localize skill.label }}" alt="Die" />
+      <span class="cde-dice-plate-css small" data-value="10"></span>
     </td>
     <td class="cde-skill-label"><b>{{ localize skill.label }}</b></td>
     <td class="cde-val-cell">
@@ -14,7 +14,7 @@
     </td>
     <td class="cde-bonus-cell"><b>+1D</b></td>
     <td class="click cde-die-cell" data-libel-id="{{key}}-special">
-      <img class="img-die-sm" src="systems/fvtt-chroniques-de-l-etrange/images/d10-10.webp" title="{{ localize 'CDE.DieSP' }}" alt="Die" />
+      <span class="cde-dice-plate-css small" data-value="10"></span>
     </td>
   </tr>
   {{/each}}
@@ -25,7 +25,7 @@
   {{#each systemData.resources as |resource key|}}
   <tr>
     <td class="noclick cde-die-cell" data-libel-id="{{key}}-resource">
-      <img class="img-die-sm" src="systems/fvtt-chroniques-de-l-etrange/images/d10-transparent.webp" title="" alt="NoDie" />
+      <span class="cde-dice-plate-css small" data-value="0"></span>
     </td>
     <td class="cde-skill-label"><b>{{ localize resource.label }}</b></td>
     <td class="cde-val-cell">
@@ -36,7 +36,7 @@
     </td>
     <td class="cde-bonus-cell"><b>+1D</b></td>
     <td class="click cde-die-cell" data-libel-id="{{key}}-field">
-      <img class="img-die-sm" src="systems/fvtt-chroniques-de-l-etrange/images/d10-10.webp" title="{{ localize 'CDE.DieDM' }}" alt="Die" />
+      <span class="cde-dice-plate-css small" data-value="10"></span>
     </td>
     <td class="cde-check-cell">
       <input type="checkbox" name="system.resources.{{@key}}.debt" {{checked resource.debt}} title="{{ localize 'CDE.Debt' }}{{ localize resource.label }}" />