Better GetRenderedValues for TextMeshPro that doesn't return NaN/other invalid values and allows you to test with custom text

Better TextMeshPro GetRenderedValues

// Applying float.MaxValue to a rectTransform can cause crashes (not sure why) so we just use a very big number instead.
const float veryLargeNumber = 10000000;

// Gets the tightest bounds for the text by updating the text and using GetRenderedValues
// Note this uses sizeDelta for sizing so won't work when using anchors.
// This is wayyyy more reliable than the actual GetRenderedValues because it won't return stupid values, as GetRenderedValues is prone to doing.
public static Vector2 GetRenderedValues (this TMP_Text textComponent, string text, float maxWidth = veryLargeNumber, float maxHeight = veryLargeNumber, bool onlyVisibleCharacters = true) {
    if(string.IsNullOrEmpty(text)) return Vector2.zero;
    // Setting RT size to Infinity can lead to weird results, so we use a very large number instead. 
    if(maxWidth > veryLargeNumber) maxWidth = veryLargeNumber;
    if(maxHeight > veryLargeNumber) maxHeight = veryLargeNumber;

    var originalRenderMode = textComponent.renderMode;
    var originalText = textComponent.text;
    var originalSize = textComponent.rectTransform.rect.size;

    textComponent.renderMode = TextRenderFlags.DontRender;
    textComponent.text = text;
    textComponent.rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, maxWidth);
    textComponent.rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, maxHeight);
    textComponent.ForceMeshUpdate(true);

    // This doesn't work if the component is disabled - but it's better! I'm not even sure this function works while disabled...
    // if(textComponent.textInfo.characterCount == 0) return Vector2.zero;

    var renderedSize = BetterGetRenderedValues(textComponent, maxWidth, maxHeight, onlyVisibleCharacters);

    textComponent.renderMode = originalRenderMode;
    textComponent.text = originalText;
    textComponent.rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, originalSize.x);
    textComponent.rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, originalSize.y);
    textComponent.ForceMeshUpdate(true);    

    return renderedSize;
}