Fix: htmx-request class removal for parallel requests

This patch addresses a concurrency issue where the same indicator,
when used for multiple parallel requests, could result in a negative request
count. This issue prevented the proper removal of the `htmx-request` class
upon completion of all requests.
The fix ensures accurate tracking of active requests,

src/htmx.js

@@ -3182,14 +3182,14 @@ var htmx = (function() {
  function removeRequestIndicators(indicators, disabled) {
  forEach(indicators, function(ic) {
  const internalData = getInternalData(ic)
- internalData.requestCount = (internalData.requestCount || 0) - 1
+ internalData.requestCount = Math.max((internalData.requestCount || 0) - 1, 0)
  if (internalData.requestCount === 0) {
  ic.classList.remove.call(ic.classList, htmx.config.requestClass)
  }
  })
  forEach(disabled, function(disabledElement) {
  const internalData = getInternalData(disabledElement)
- internalData.requestCount = (internalData.requestCount || 0) - 1
+ internalData.requestCount = Math.max((internalData.requestCount || 0) - 1, 0)
  if (internalData.requestCount === 0) {
  disabledElement.removeAttribute('disabled')
  }