feat(entity): when a new entity_type is created, find new entities

[whitdog47]

This PR updates the entity_type creation to back propagate the creation of entities based on these types to previous signal instances. This allows a user to create a new entity_type and use it immediately in a snooze.

[Copilot]

Pull Request Overview

This PR extends entity_type creation functionality by propagating the new type to previously created signal instances, enabling immediate use in snooze operations. Key changes include:

• Updating JSON path handling in the jpath utility.
• Enhancing the NewRawSignalViewer component by adding hover provider cleanup and combining entity sources.
• Revising the EntityTypeCreateDialogV2 UI and backend service logic for entity extraction.

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
src/dispatch/static/dispatch/src/util/jpath.ts	Changed array path formatting to use wildcards.
src/dispatch/static/dispatch/src/signal/NewRawSignalViewer.vue	Added cleanup and re-registration of hover providers.
src/dispatch/static/dispatch/src/entity_type/EntityTypeCreateDialogV2.vue	Adjusted editor height style.
src/dispatch/entity_type/service.py	Added logic to back propagate new entity_type creation to signal instances.

Comments suppressed due to low confidence (1)

src/dispatch/entity_type/service.py:83

• The variable 'signals' is not defined in this context. Please ensure that the relevant signals are retrieved or defined before iterating over them.

for signal in signals: