Check for filterNextClick in evaluating isZoomingOrPanning

This revises the logic from chartjs#823 to account for changes in chartjs#891.

src/core.ts

@@ -276,5 +276,5 @@ export function isZoomedOrPanned(chart: Chart) {
 
 export function isZoomingOrPanning(chart: Chart) {
   const state = getState(chart)
-  return state.panning || state.dragging
+  return state.panning || state.dragging || state.filterNextClick
 }