Fix bug with inline assist and indentation on empty lines (#13489)

Fix a minor bug when the inline assistant model spits out an empty line
with leading indentation on it. This happens sometimes with Claude 3.5
Sonnet and currently it causes the following line to have the wrong
indentation.

Release Notes:

- N/A
88000eb7e2Tristan Hume committed on 6/25/2024, 8:11:21 AM· committed by GitHubparentab5a462
1 file changedLine totals unavailable