EAGLE-1350: Error "Active Graph Config Id (null) does not match a known graph config" should not be an error

Reviewer's Guide by Sourcery

The PR fixes a JSON serialization bug where a null activeGraphConfigId was being incorrectly written as the string "null" instead of the JSON null value. The implementation adds a conditional check to handle null values separately from string values during JSON generation.

Class diagram for LogicalGraph JSON serialization update

classDiagram
    class LogicalGraph {
        +String modelData
        +String activeGraphConfigId
        +String toJSON()
    }
    note for LogicalGraph "Updated to handle null activeGraphConfigId correctly in JSON output"

File-Level Changes

Change	Details	Files
Modified JSON serialization to properly handle null activeGraphConfigId	Replaced direct string concatenation with conditional logic Added separate handling for null values to output 'null' instead of '"null"' Maintained existing string handling for non-null values	`src/LogicalGraph.ts`

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ICRAR / EAGLE