CLNRest: Cannot create LN invoice with empty amount

[matevz]

Describe the bug

Connecting to local core lightning node (CLNRest) and creating an invoice with empty amount yields amount_msat: should be positive msat or 'any': invalid token '0'.

Reproduce

1. Configure core lightning wallet (CLNRest)
2. Lightning -> Receive
3. Leave amount empty
4. Create invoice

ZEUS version

v0.9.2

Node interface

Core Lightning (CLNRest)

Network

Clearnet

Device

Pixel 7a

Device operating system

Android 15

Log output

amount_msat: should be positive msat or 'any': invalid token '0'

[kaloudis]

Fix available for testing in ZEUS v0.9.4-beta1 https://github.com/ZeusLN/zeus/releases/tag/v0.9.4-beta1