[O2B-1502] fixed stable beam default value

Author: Houwie7000

lib/public/components/Filters/LhcFillsFilter/StableBeamFilterModel.js

@@ -24,13 +24,9 @@ export class StableBeamFilterModel extends SelectionModel {
      */
     constructor(value = false) {
         super({ availableOptions: [{ value: true }, { value: false }],
-            defaultSelection: [{ value: false }],
+            defaultSelection: [{ value: value }],
             multiple: false,
             allowEmpty: false });
-        // Sets filter value to true if
-        if (value) {
-            this.setStableBeamsOnly(value);
-        }
     }
 
     /**
@@ -39,8 +35,7 @@ export class StableBeamFilterModel extends SelectionModel {
      * @return {boolean} true if filter is stable beams only
      */
     isStableBeamsOnly() {
-        const selectedOptions = this.selected;
-        return selectedOptions[0] === true;
+        return this.current;
     }
 
     /**
@@ -50,11 +45,7 @@ export class StableBeamFilterModel extends SelectionModel {
      * @return {void}
      */
     setStableBeamsOnly(value) {
-        if (value) {
-            this.select({ value: true });
-        } else {
-            this.select({ value: false });
-        }
+        this.select({ value });
     }
 
     /**