Analysis does not work after reopening a file

Files:
m1.c
`void foo(){}`

Folder structure:
```
Test
  |___m1.c
```

Repro Steps:

1. Set the arguments as --addon=misra --enable=all
2. Open new test folder in vscode or if the folder is already open restart vscode
3. You will see the correct analysis of m1.c, 2 addon warning will be present
4. close m1.c
5. open m1.c and save the file
6. no analysis present