Fix: Replace deprecated duration.type with duration.units (Foundry v14+)

- ActiveEffectDuration#type was renamed to #units in Foundry VTT v14
- Updated partial-active-effects.hbs to use duration.units
- Updated partial-item-effects.hbs to use duration.units
- Added test verification for duration.type usage
- Support for duration.type will be removed in v16

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

templates/partial-item-effects.hbs

@@ -48,12 +48,12 @@
       </div>
       
       {{!-- Affichage de la durée --}}
-      {{#if effect.duration.type}}
+      {{#if effect.duration.units}}
       <span class="item-field-label-short" style="font-size: 0.85em;">
-        {{#if (eq effect.duration.type "rounds")}}🔄{{/if}}
-        {{#if (eq effect.duration.type "turns")}}🎭{{/if}}
-        {{#if (eq effect.duration.type "seconds")}}⏱️{{/if}}
-        {{#if (eq effect.duration.type "combat")}}⚔️{{/if}}
+        {{#if (eq effect.duration.units "rounds")}}🔄{{/if}}
+        {{#if (eq effect.duration.units "turns")}}🎭{{/if}}
+        {{#if (eq effect.duration.units "seconds")}}⏱️{{/if}}
+        {{#if (eq effect.duration.units "combat")}}⚔️{{/if}}
         {{effect.duration.value}}
       </span>
       {{/if}}