Fixed a bug where deleted custom spell were not removed from the prepared spells list

src/app/journal/journal-spellbook/journal-spellbook.component.ts

@@ -318,7 +318,10 @@ export class JournalSpellbookComponent {
     const resultSubscription = this.modalAccessor.result$.subscribe(
       (result) => {
         if (result.state === 'delete') {
-          this.dataAccessor.deleteCustomSpellArray(result.data);
+          result.data.forEach((spell: Spell) => {
+            this.dataAccessor.deleteCustomSpell(spell);
+            this.deleteSpellFromPrepared(spell);
+          });
           this.refreshFilteredSpells();
         }
         resultSubscription.unsubscribe();
@@ -326,6 +329,42 @@ export class JournalSpellbookComponent {
     );
   }
 
+  /**
+   * Searches for the level of the given spell and deletes it from the prepared spells.
+   * @param spell The spell that is to be deleted
+   */
+  public deleteSpellFromPrepared(spell: Spell): void {
+    if (spell.level === 0) {
+      this.dataAccessor.removeSpellFromLevel0(spell);
+    } else if (spell.level === 1) {
+      this.dataAccessor.removeSpellFromLevel1(spell);
+    }
+    if (spell.level === 2) {
+      this.dataAccessor.removeSpellFromLevel2(spell);
+    }
+    if (spell.level === 3) {
+      this.dataAccessor.removeSpellFromLevel3(spell);
+    }
+    if (spell.level === 4) {
+      this.dataAccessor.removeSpellFromLevel4(spell);
+    }
+    if (spell.level === 5) {
+      this.dataAccessor.removeSpellFromLevel5(spell);
+    }
+    if (spell.level === 6) {
+      this.dataAccessor.removeSpellFromLevel6(spell);
+    }
+    if (spell.level === 7) {
+      this.dataAccessor.removeSpellFromLevel7(spell);
+    }
+    if (spell.level === 8) {
+      this.dataAccessor.removeSpellFromLevel8(spell);
+    }
+    if (spell.level === 9) {
+      this.dataAccessor.removeSpellFromLevel9(spell);
+    }
+  }
+
   // SPELLCARDS
 
   /**