fix: pre-check 'Save against spell' checkbox when defense originates from spell attack

module/documents/roll.mjs

@@ -358,7 +358,7 @@ export default class LethalFantasyRoll extends Roll {
       dice,
       hasTarget: options.hasTarget,
       modifier,
-      saveSpell: false,
+      saveSpell: game.lethalFantasy?.spellDefense ?? false,
       favor: "none",
       targetName,
       isRangedAttack

module/utils.mjs

@@ -323,6 +323,7 @@ export default class LethalFantasyUtils {
 
       if (result) {
         game.lethalFantasy = game.lethalFantasy || {}
+        game.lethalFantasy.spellDefense = true // pré-cocher "Save against spell" dans le dialog
         game.lethalFantasy.nextDefenseData = {
           attackerId,
           attackRoll,