UI: Fixed alarm type list width and empty option

ui-ngx/src/app/modules/home/components/alarm/alarm-filter-config.component.scss

@@ -40,6 +40,9 @@
     tb-entity-subtype-list {
       flex: 1;
       width: 180px;
+      .mdc-evolution-chip-set__chips {
+        width: 100%;
+      }
     }
 
     .mat-mdc-chip {

ui-ngx/src/app/shared/components/entity/entity-subtype-list.component.ts

@@ -298,7 +298,7 @@ export class EntitySubTypeListComponent implements ControlValueAccessor, OnInit,
         } else {
           result = subTypes.filter(subType => searchText ? subType.toUpperCase().startsWith(searchText.toUpperCase()) : true);
         }
-        if (!result.length) {
+        if (!result.length && searchText.length) {
           result = [searchText];
         }
         return result;