UI: Remove _hash from dataKey configs

ui-ngx/src/app/core/api/widget-subscription.ts

@@ -1456,20 +1456,18 @@ export class WidgetSubscription implements IWidgetSubscription {
     this.datasources.forEach((datasource) => {
       datasource.dataKeys.forEach((dataKey) => {
         if (datasource.generated || datasource.isAdditional) {
-          dataKey._hash = Math.random();
           dataKey.color = this.ctx.utils.getMaterialColor(index);
         }
         index++;
       });
-      if (datasource.latestDataKeys) {
-        datasource.latestDataKeys.forEach((dataKey) => {
-          if (datasource.generated || datasource.isAdditional) {
-            dataKey._hash = Math.random();
-            // dataKey.color = this.ctx.utils.getMaterialColor(index);
-          }
-          // index++;
-        });
-      }
+      // if (datasource.latestDataKeys) {
+      //   datasource.latestDataKeys.forEach((dataKey) => {
+      //     if (datasource.generated || datasource.isAdditional) {
+      //       // dataKey.color = this.ctx.utils.getMaterialColor(index);
+      //     }
+      //     // index++;
+      //   });
+      // }
     });
     if (this.comparisonEnabled) {
       this.datasourcePages.forEach(datasourcePage => {

ui-ngx/src/app/core/services/utils.service.ts

@@ -97,7 +97,6 @@ export class UtilsService {
     color: this.getMaterialColor(0),
     funcBody: this.getPredefinedFunctionBody('Sin'),
     settings: {},
-    _hash: Math.random()
   };
 
   defaultDatasource: Datasource = {
@@ -153,8 +152,7 @@ export class UtilsService {
         type: DataKeyType.alarm,
         label: this.translate.instant(alarmFields[name].name),
         color: this.getMaterialColor(i),
-        settings: {},
-        _hash: Math.random()
+        settings: {}
       };
       this.defaultAlarmDataKeys.push(dataKey);
     }
@@ -267,8 +265,7 @@ export class UtilsService {
       type,
       label,
       funcBody: keyInfo.funcBody,
-      settings: {},
-      _hash: Math.random()
+      settings: {}
     };
     if (keyInfo.units) {
       dataKey.units = keyInfo.units;

ui-ngx/src/app/modules/home/components/attribute/attribute-table.component.ts

@@ -541,7 +541,6 @@ export class AttributeTableComponent extends PageComponent implements AfterViewI
         type: dataKeyType,
         color: this.utils.getMaterialColor(i),
         settings: {},
-        _hash: Math.random()
       };
       this.widgetDatasource.dataKeys.push(dataKey);
     }

ui-ngx/src/app/modules/home/components/widget/lib/flot-widget.ts

@@ -525,7 +525,6 @@ export class TbFlot {
                   lineWidth: threshold.lineWidth,
                   color: threshold.color
                 } as TbFlotThresholdKeySettings,
-                _hash: Math.random()
               };
               if (datasource) {
                 datasource.dataKeys.push(dataKey);

ui-ngx/src/app/modules/home/components/widget/lib/maps-legacy/providers/image-map.ts

@@ -91,7 +91,6 @@ export class ImageMap extends LeafletMap {
               name: imageUrlAttribute,
               label: imageUrlAttribute,
               settings: {},
-              _hash: Math.random()
             }
           ]
         }

ui-ngx/src/app/modules/home/components/widget/widget-config.component.ts

@@ -762,7 +762,6 @@ export class WidgetConfigComponent extends PageComponent implements OnInit, OnDe
   public generateDataKey(chip: any, type: DataKeyType, dataKeySettingsForm: FormProperty[],
                          isLatestDataKey: boolean, dataKeySettingsFunction: DataKeySettingsFunction): DataKey {
     if (isObject(chip)) {
-      (chip as DataKey)._hash = Math.random();
       return chip;
     } else {
       let label: string = chip;
@@ -780,7 +779,6 @@ export class WidgetConfigComponent extends PageComponent implements OnInit, OnDe
         label,
         color: this.genNextColor(),
         settings: {},
-        _hash: Math.random()
       };
       if (type === DataKeyType.function) {
         result.name = 'f(x)';

ui-ngx/src/app/shared/models/widget.models.ts

@@ -398,7 +398,6 @@ export interface DataKey extends KeyInfo {
   inLegend?: boolean;
   isAdditional?: boolean;
   origDataKeyIndex?: number;
-  _hash?: number;
 }
 
 export type CellClickColumnInfo = Pick<DataKey, 'name' | 'label'>;