fix: Add SCP-1344 Effect to IsPositive Extension

[TtroubleTT]

Description

Describe the changes

• Added SCP-1344 to IsPositive Extension for effects.

What is the current behavior? (You can also link to an open issue here)

• SCP-1344 isn't part of IsPositive even though its a positive effect.

What is the new behavior? (if this is a feature change)

• SCP-1344 effect is now part of IsPositive.

Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?)
No

Other information:
N/A

Types of changes

• 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 change)
• Documentations

Submission checklist

• I have checked the project can be compiled
• I have tested my changes and it worked as expected

Patches (if there are any changes related to Harmony patches)

• I have checked no IL patching errors in the console

Other

• Still requires more testing

[obvEve]

its classified as mixed

[TtroubleTT]

its classified as mixed

Then why is 207, anti 207, and 1853 classified as positive