Merge pull request #1641 from dmitrylyzo/fix-event-source-2

Fix event source for inputManager in case of multiple open dialogs

(cherry picked from commit f5e93a18de)
Signed-off-by: Joshua M. Boniface <joshua@boniface.me>

src/scripts/inputManager.js

@@ -66,9 +66,12 @@ import appHost from 'apphost';
         if (!sourceElement) {
             sourceElement = document.activeElement || window;
 
-            const dlg = document.querySelector('.dialogContainer .dialog.opened');
+            const dialogs = document.querySelectorAll('.dialogContainer .dialog.opened');
 
-            if (dlg && (!sourceElement || !dlg.contains(sourceElement))) {
+            // Suppose the top open dialog is active
+            const dlg = dialogs.length ? dialogs[dialogs.length - 1] : null;
+
+            if (dlg && !dlg.contains(sourceElement)) {
                 sourceElement = dlg;
             }
         }