User Default Search per Index

### Feature Request

|    Q        |   A
|------------ | ------
| New Feature | yes
| RFC         | yes/no
| BC Break    | yes/no

#### Summary
As soon as [#15](https://github.com/OnePlc/PLC_X_Core/issues/15) is done, bring back the "User Default Search" Option. User can set one of its saved searches as default view/search for index. user and index based.