Fix v12 issue + remove warnings

modules/common/ecryme-utility.js

@@ -216,7 +216,7 @@ export class EcrymeUtility {
       confront.impactPreservation = this.getImpactFromEffect(Math.abs(confront.effectPreservation))
     }
     if (confront.marginPreservation > 0) {
-      confront.bonus1 = -confront.marginPreservation
+      confront.bonus1 = confront.marginPreservation
     }
 
     let msg = await this.createChatWithRollMode(this.confrontData1.alias, {
@@ -558,7 +558,7 @@ export class EcrymeUtility {
 
     let actor = game.actors.get(rollData.actorId)
     // Fix difficulty
-    if (!rollData.difficulty || rollData.difficulty == "-") {
+    if (!rollData.difficulty || rollData.difficulty == "-1") {
       rollData.difficulty = 0
     }
     rollData.difficulty = Number(rollData.difficulty)
@@ -685,14 +685,14 @@ export class EcrymeUtility {
     let rollData = {
       rollId: foundry.utils.randomID(16),
       type: "roll-data",
-      bonusMalusPerso: 0,
+      bonusMalusPerso: "0",
       bonusMalusSituation: 0,
       bonusMalusDef: 0,
       annencyBonus: 0,
       bonusMalusPortee: 0,
       skillTranscendence: 0,
       rollMode: game.settings.get("core", "rollMode"),
-      difficulty: "-",
+      difficulty: "-1",
       useSpleen: false,
       useIdeal: false,
       impactMalus: 0,