Do not get _currentMainField1 directly in softbuttonmanager

Author: crokita

lib/js/src/manager/screen/_SoftButtonManagerBase.js

@@ -137,7 +137,7 @@ class _SoftButtonManagerBase extends _SubManagerBase {
 
             // Auto-send an updated Show if we have new capabilities
             if (this._softButtonObjects.length !== 0 && this._softButtonCapabilities !== null && this._softButtonCapabilities !== undefined && !this._softButtonCapabilitiesEquals(oldSoftButtonCapabilities, this._softButtonCapabilities)) {
-                const operation = new _SoftButtonReplaceOperation(this._lifecycleManager, this._fileManager, this._softButtonCapabilities, this._softButtonObjects, this._currentMainField1);
+                const operation = new _SoftButtonReplaceOperation(this._lifecycleManager, this._fileManager, this._softButtonCapabilities, this._softButtonObjects, this.getCurrentMainField1());
                 this._addTask(operation);
             }
         };
@@ -242,7 +242,7 @@ class _SoftButtonManagerBase extends _SubManagerBase {
         this._softButtonObjects = softButtonObjects;
 
         // We only need to pass the first softButtonCapabilities in the array due to the fact that all soft button capabilities are the same (i.e. there is no way to assign a softButtonCapabilities to a specific soft button).
-        const operation = new _SoftButtonReplaceOperation(this._lifecycleManager, this._fileManager, this._softButtonCapabilities, this._softButtonObjects, this._currentMainField1);
+        const operation = new _SoftButtonReplaceOperation(this._lifecycleManager, this._fileManager, this._softButtonCapabilities, this._softButtonObjects, this.getCurrentMainField1());
 
         if (this._batchUpdates) {
             this._batchQueue.splice(0, this._batchQueue.length); // clear out the array