cannot load other image in the same directory when only passing file name

[zerobikappa]

System information

• Windows OS version: Windows 11 Pro 23H2 22631.4112
• ImageGlass version: 9.1.8.723 (64-bit)
• ImageGlass release: Classic (installed by winget)

To Reproduce

Steps to reproduce the behavior:

1. add C:\Program Files\ImageGlass\ into PATH
2. save some image files 1.jpg 2.jpg 3.jpg under C:\images\
3. open powershell or cmd
4. cd to C:\images\
5. run below command:
   5.1 imageglass "C:\images\1.jpg" -->can also load 2.jpg and 3.jpg
   5.2 imageglass ".\1.jpg" -->can also load 2.jpg and 3.jpg
   5.3 imageglass "1.jpg" -->CANNOT load 2.jpg and 3.jpg

Expected behavior

always can load other image in the same directory