Add the quiver color draftlog

The entry uses a placeholder number until the upstream pull request exists. Rename draftlogs/XXXX_fix.md to that pull request number.

Co-authored-by: Bennett Payoyo <Yahiro025@users.noreply.github.com>

Author: Yahiro025

draftlogs/XXXX_fix.md

@@ -0,0 +1 @@
+ - Fix quiver arrow colors for a discrete `marker.color` array [[#XXXX](https://github.com/plotly/plotly.js/pull/XXXX)]

src/traces/quiver/style.js

@@ -36,7 +36,12 @@ function colorscaleStroke(paths, trace) {
 
 // A color-string array is not a colorscale. Apply each string here, because
 // `lineGroupStyle` paints an array as black.
-const discreteColorStroke = (paths, trace) => {
+const strokeArrowColors = (paths, trace) => {
+    if(trace._hasColorscale) {
+        colorscaleStroke(paths, trace);
+        return;
+    }
+
     const markerColor = (trace.marker || {}).color;
     if(!Lib.isArrayOrTypedArray(markerColor)) return;
 
@@ -52,11 +57,6 @@ const discreteColorStroke = (paths, trace) => {
     });
 };
 
-const strokeArrowColors = (paths, trace) => {
-    if(trace._hasColorscale) colorscaleStroke(paths, trace);
-    else discreteColorStroke(paths, trace);
-};
-
 function style(gd) {
     var s = d3.select(gd).selectAll('g.trace.quiver');
     s.each(function(d) {