Fix: aucune méditation connue

Cas de haut-rêvant ne connaissant pas de méditations

module/roll/roll-type-meditation.mjs

@@ -11,7 +11,7 @@ export class RollTypeMeditation extends RollType {
   visible(rollData) { return rollData.active.actor.isHautRevant() }
   title(rollData) {
     const current = rollData.current[PART_MEDITATION]
-    const theme = current?.meditation.system.theme
+    const theme = current?.meditation?.system.theme
     return theme ? 'médite sur ' + theme : 'médite'
   }
 
@@ -23,7 +23,7 @@ export class RollTypeMeditation extends RollType {
 
   static async $onRollMeditation(rollData) {
     const actor = rollData.active.actor
-    const meditation = rollData.current.meditation.meditation
+    const meditation = rollData.current.meditation?.meditation
     const rolled = rollData.rolled
     if (meditation && rolled) {
       if (rolled.isSuccess) {