Remove double-scaling in coordmap.getPanelCss() (#4111)

Fixes #4110

NEWS.md

@@ -1,5 +1,9 @@
 # shiny (development version)
 
+## Bug fixes
+
+* Fixed a bug introduced in v1.9.0 where the boundaries of hover/click/brush regions on plots were being incorrectly scaled when browser zoom was used. (#4111)
+
 # shiny 1.9.0
 
 ## New busy indication feature
@@ -31,6 +35,7 @@ In addition, various properties of the spinners and pulse can be customized with
 * Output bindings that are removed, invalidated, then inserted again (while invalidated) now correctly include the `.recalculating` CSS class. (#4039)
 
 * Fixed a recent issue with `uiOutput()` and `conditionalPanel()` not properly lower opacity when recalculation (in a Bootstrap 5 context). (#4027)
+
 * Image outputs that were scaled by CSS had certain regions that were unresponsive to hover/click/brush handlers. (#3234)
 
 # shiny 1.8.1.1

inst/www/shared/shiny.js

@@ -14583,13 +14583,7 @@
       var dists = [];
       var i5;
       for (i5 = 0; i5 < coordmap.panels.length; i5++) {
-        var panelRange = coordmap.panels[i5].range;
+        var b3 = coordmap.panels[i5].range;
-        var b3 = {
-          top: panelRange.top * cssToImgRatio.y,
-          bottom: panelRange.bottom * cssToImgRatio.y,
-          left: panelRange.left * cssToImgRatio.x,
-          right: panelRange.right * cssToImgRatio.x
-        };
         if (x2 <= b3.right + expandImg.x && x2 >= b3.left - expandImg.x && y4 <= b3.bottom + expandImg.y && y4 >= b3.top - expandImg.y) {
           matches.push(coordmap.panels[i5]);
           var xdist = 0;

srcts/src/imageutils/initCoordmap.ts

@@ -293,13 +293,7 @@ function initCoordmap(
     let i;
 
     for (i = 0; i < coordmap.panels.length; i++) {
-      const panelRange = coordmap.panels[i].range;
+      const b = coordmap.panels[i].range;
-      const b = {
-        top: panelRange.top * cssToImgRatio.y,
-        bottom: panelRange.bottom * cssToImgRatio.y,
-        left: panelRange.left * cssToImgRatio.x,
-        right: panelRange.right * cssToImgRatio.x,
-      };
 
       if (
         x <= b.right + expandImg.x &&