Update Search Index On Refactor

[dineshsingh1]

Description

• Save Title instead path for indexing Notes.
• On Refactor, update the local search index.
• In OnSave function, pass default namespace if namespace doesn't exist.
• Moved getInitialNode to Renderer code (was always throwing error on hot reload).

Motivation and Context

• Fixes

How has this been tested?

• Tested by renaming note

Screenshots (if appropriate):

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Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• My code follows the code style of this project.

[linear]

WD-1607 [TASK] Update Search Index on Refactor

Description

A brief description of the task

• On Refactoring/Renaming a Note update the search index in Mex.

Purpose

What is the purpose of this task?

• After Refactoring, user wasn't able to search the refactored Note.

Additional Context

Any additional information that needs to be added