fix typings for PartialModelGraph and nullable fields #16
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Handle `| null` unions properly. (e.g. for nullable `BelongsToOneRelations`). Before `PartialModelGraph` was converting `field: Model | null;` to `field?: Expression<Model | null>`, and typescript throws errors for graphs with partial sub-graphs for those nullable relations. (expecting full instance of the model class) Now it converts it properly to `field?: PartialModelGraph<Model> | null` 🎉
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Handle
| nullunions properly. (e.g. for nullableBelongsToOneRelations).Before
PartialModelGraphwas convertingfield: Model | null;tofield?: Expression<Model | null>, and typescript throws errors for graphs with partial sub-graphs for those nullable relations. (expecting full instance of the model class)Now it converts it properly to
field?: PartialModelGraph<Model> | null🎉