Bug: Inconsist output from usfmJS.toJSON()

[AndyHubert]

Big idea: There is inconsistency as to whether the nextChar of a footnote is present in the subsequent verseObject, based on the presence of a cross-reference to follow both.

Explanation

In the results below (shown in comments), note the third item in verseObjects. For test2 there is a space before "God". For test1 there isn't.

Code

import usfmJS from 'usfm-js'

const test1 = usfmJS.toJSON(`\\v 1 In the beginning \\f + \\fk Alternate translation \\ft Or \\fq At the start\\f* God created.`)
const test2 = usfmJS.toJSON(`\\v 1 In the beginning \\f + \\fk Alternate translation \\ft Or \\fq At the start\\f* God created \\x + \\xt John 1:1|JOH 1:1\\xt*\\x*.`)

/*
test1 === {
  "headers": [],
  "chapters": {
    "1": {
      "1": {
        "verseObjects": [
          {
            "type": "text",
            "text": "In the beginning "
          },
          {
            "tag": "f",
            "type": "footnote",
            "content": "+ \\fk Alternate translation \\ft Or \\fq At the start",
            "endTag": "f*",
            "nextChar": " "
          },
          {
            "type": "text",
            "text": "God created."
          }
        ]
      }
    }
  }
}
*/

/*
test2 === {
  "headers": [],
  "chapters": {
    "1": {
      "1": {
        "verseObjects": [
          {
            "type": "text",
            "text": "In the beginning "
          },
          {
            "tag": "f",
            "type": "footnote",
            "content": "+ \\fk Alternate translation \\ft Or \\fq At the start",
            "endTag": "f*",
            "nextChar": " "
          },
          {
            "type": "text",
            "text": " God created "
          },
          {
            "tag": "x",
            "content": "+ \\xt John 1:1|JOH 1:1\\xt*",
            "endTag": "x*"
          },
          {
            "type": "text",
            "text": "."
          }
        ]
      }
    }
  }
}
*/