updated javadoc for experience tracking

added/changed some javadoc for mod mail
some small interface changes
changed a few methods to actually use the exists mechanic, instead of checking for null values
added some templates instead of hard coded strings
fixed some bugs related to mod mail

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/models/EmoteMissingValidationErrorModel.java

@@ -9,7 +9,7 @@ import java.util.HashMap;
 @Getter
 @Setter
 @Builder
-public class EmoteMissingValidationError implements ValidationError {
+public class EmoteMissingValidationErrorModel implements ValidationErrorModel {
 
     private String emoteKey;
 

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/models/FeatureValidationResult.java

@@ -18,7 +18,7 @@ public class FeatureValidationResult implements Templatable {
     private FeatureConfig feature;
     private Boolean validationResult;
     @Builder.Default
-    private List<ValidationError> validationErrors = new ArrayList<>();
+    private List<ValidationErrorModel> validationErrorModels = new ArrayList<>();
 
     public static FeatureValidationResult validationSuccessful(FeatureConfig featureConfig) {
         return FeatureValidationResult
@@ -37,7 +37,7 @@ public class FeatureValidationResult implements Templatable {
     public Object getTemplateModel() {
         HashMap<String, Object> params = new HashMap<>();
         params.put("featureTemplate", this.feature.getFeature().getKey() + "_feature");
-        params.put("errors", this.validationErrors);
+        params.put("errors", this.validationErrorModels);
         return params;
     }
 }

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/models/PostTargetValidationErrorModel.java

@@ -9,7 +9,7 @@ import java.util.HashMap;
 @Getter
 @Setter
 @Builder
-public class PostTargetValidationError implements ValidationError {
+public class PostTargetValidationErrorModel implements ValidationErrorModel {
 
     private String postTargetName;
 

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/models/SystemConfigValidationErrorModel.java

@@ -9,7 +9,7 @@ import java.util.HashMap;
 @Getter
 @Setter
 @Builder
-public class SystemConfigValidationError implements ValidationError {
+public class SystemConfigValidationErrorModel implements ValidationErrorModel {
 
     private String configKey;
 

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/models/ValidationErrorModel.java

@@ -2,5 +2,5 @@ package dev.sheldan.abstracto.core.models;
 
 import dev.sheldan.abstracto.templating.Templatable;
 
-public interface ValidationError extends Templatable {
+public interface ValidationErrorModel extends Templatable {
 }