Impossible to filter Windows logs by EventID using grep filter

## Bug Report

**Describe the bug**
It is impossible to filter Windows logs by EventID using grep filter.

**To Reproduce**
Simple configuration to reproduce the issue:
```
[INPUT]
Name winlog
Channels Windows PowerShell
Tag win
Interval_Sec 1

[FILTER]
Name grep
Match win
Exclude EventID 800

[OUTPUT]
Name file
Match win
Path .\logs\
```

**Expected behavior**
Successful filtering by EventID using grep filter.

**Your Environment**
OS: Win 10 Pro 10.0.19041
FluentBit: fluent-bit-2.0.9-win64

**Additional context**
Related issue: https://github.com/fluent/fluent-bit/issues/6284