Svelte 5: HMR breaks with conditional rendering within {#if} blocks about svelte HOT 2 CLOSED

A little further clarification to how this repro is set up, and which files are relevant.

Conditional Svelte Component
Typical svelte component that accepts props.

# Example
/src/routes/display-apple.svelte
/src/routes/display-orange.svelte

Switch Component - with {#if} block
A component that accepts a discriminated union, and renders a component for each case using the {#if} block.

# Example
/src/routes/conditional-with-if.svelte

Switch Component - with {#if} block
A component that accepts a discriminated union, and renders a component for each case using a component map and <svelte:component /> element.

# Example
/src/routes/conditional-with-map.svelte

Page Component
Loops over data, using the switch component to conditionally render the correct component.

# Example
/src/routes/+page.svelte

from svelte.

Likely same underlying reason as for #12403

from svelte.