Error highlighting on method calls

### Describe the bug
When a method is called, the part that precedes it is incorrectly highlighted by the method's color

### sample reproduction
```fs
value.Replace("{","{{").Replace("}","}}")
```
### Expected behaviour
Correct highlighting for each step of the chained call

### Screenshots

## Machine info
- OS: Windows
- .NET SDK version: 8.0.300
- Ionide version: 7.20.1

No source file or test is named. Reproduce the chained call `value.Replace("{","{{").Replace("}","}}")` in VS Code on Windows with Ionide 7.20.1, then trace the F# syntax-highlighting entry point; done means each step of the chained call is highlighted with the correct method color.

Written by the indexing model from the issue text.