Fix Boolean Condition (#269)

<!--- IMPORTANT: If this PR addresses multiple unrelated issues, it will
be closed until separated. -->

### Description

Super quick fix for highlights that attempt to query async but are
forced async.

### Related Issues

N/A

### Checklist

<!--- Add things that are not yet implemented above -->

- [x] I read and understood the [contributing
guide](https://github.com/CodeEditApp/CodeEdit/blob/main/CONTRIBUTING.md)
as well as the [code of
conduct](https://github.com/CodeEditApp/CodeEdit/blob/main/CODE_OF_CONDUCT.md)
- [x] The issues this PR addresses are related to each other
- [x] My changes generate no new warnings
- [x] My code builds and runs on my machine
- [x] My changes are all related to the related issue above
- [x] I documented my code

Author: thecoolwinter

Sources/CodeEditSourceEditor/TreeSitter/TreeSitterClient.swift

@@ -223,7 +223,7 @@ public final class TreeSitterClient: HighlightProviding {
             }
         }
 
-        if execAsync && !forceSyncOperation {
+        if !forceSyncOperation {
             executor.execAsync(
                 priority: .access,
                 operation: {