fix(activity): refresh LDK after payment sent

[pwltr]

Description

Refresh LDK after pending payment has been claimed to update activity.

Linked Issues/Tasks

Closes #1929

Type of change

• 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)
• Refactoring (improving code without creating new functionality)

Tests

• Detox test
• Unit test
• No test

Screenshot / Video

Simulator.Screen.Recording.-.iPhone.15.-.2024-06-05.at.19.26.54.mp4

[catch-21]

Tested on v124
I've not had a slow enough payment to recreate this scenario. All payments today have been correctly added to activities list. Keep an eye on it in future.