fix(ui): remove straggling onPointerUp handlers

invokeai/frontend/web/src/features/controlLayers/components/RegionalGuidance/RegionalGuidanceMenuItemsAddPromptsAndIPAdapter.tsx

@@ -27,13 +27,13 @@ export const RegionalGuidanceMenuItemsAddPromptsAndIPAdapter = memo(() => {
   return (
     <>
       <MenuItem
-        onPointerUp={addRegionalGuidancePositivePrompt}
+        onClick={addRegionalGuidancePositivePrompt}
         isDisabled={!validActions.canAddPositivePrompt || isBusy}
       >
         {t('controlLayers.addPositivePrompt')}
       </MenuItem>
       <MenuItem
-        onPointerUp={addRegionalGuidanceNegativePrompt}
+        onClick={addRegionalGuidanceNegativePrompt}
         isDisabled={!validActions.canAddNegativePrompt || isBusy}
       >
         {t('controlLayers.addNegativePrompt')}

invokeai/frontend/web/src/features/controlLayers/components/common/CanvasEntityDeleteButton.tsx

@@ -24,7 +24,7 @@ export const CanvasEntityDeleteButton = memo(() => {
       variant="link"
       alignSelf="stretch"
       icon={<PiTrashSimpleFill />}
-      onPointerUp={onClick}
+      onClick={onClick}
       colorScheme="error"
       isDisabled={isBusy}
     />

invokeai/frontend/web/src/features/gallery/components/ImageViewer/ImageViewer.tsx

@@ -89,7 +89,7 @@ const ImageViewerCloseButton = memo(() => {
       aria-label={t('gallery.closeViewer')}
       icon={<PiXBold />}
       variant="ghost"
-      onPointerUp={imageViewer.close}
+      onClick={imageViewer.close}
     />
   );
 });