[Search] WIP: Add appropriate event handling to "Search" button.
[Search] WIP: Add appropriate event handling to "Search" button.

5. Reset `features` and `strings` attributes on `SearchTarget` instance
   before adding current input field values.

   Do this to make sure `features` and `strings` collections do not
   contain

   - duplicate entries
   - entries that are not present in input fields anymore.

itsjeyd/ODE,itsjeyd/ODE,itsjeyd/ODE,itsjeyd/ODE