fix bug where fields not present in newFields get set to an empty value

Author: GamerGirlandCo

src/utils/fields.ts

@@ -24,7 +24,7 @@ export function useSetField<T extends Literal>(field: Field, onChange?: (newValu
 export async function setTaskText(app: App, core: Datacore, text: string, item: MarkdownTaskItem, newFields: Record<string, Literal> = {}) {
     let withFields = `${text}${Object.keys(item.$infields).length ? " " : ""}`;
     for (let field in item.$infields) {
-        withFields = setInlineField(withFields, field, Literals.toString(newFields[field]) ?? item.$infields[field].raw);
+        withFields = setInlineField(withFields, field, newFields[field] ? Literals.toString(newFields[field]) : item.$infields[field].raw);
     }
     await rewriteTask(app.vault, core, item, item.$status, withFields);
 }