switch interface to quickly toggle current buffer search

[LLMChild]

Description

Please include a summary of the change and which issue is fixed. Please also
include relevant motivation and context

Fixes # (issue)

Type of change

Please delete options that are not relevant.

• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list relevant details about your configuration

• Test A Visual Selection toggle current buffer search
• Test B Word Selection toggle current buffer search

Checklist:

• My code follows the style guidelines of this project (stylua)
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• [] I have made corresponding changes to the documentation (lua annotations)