Fix picker style for dark/light mode and better fit in gadget window

R/emoji_picker.R

     shiny::tags$script(src = "eb/emoji-picker.js", type = "module"),
     shiny::tags$head(
       shiny::tags$script(src = 'eb/he.js'),
-      shiny::tags$style('.emoji-picker__plugin-container { justify-content: space-between; }')
+      shiny::tags$style(
+        '.emoji-picker__plugin-container { justify-content: space-between; }
+        .emoji-picker { border-radius: 0 !important; }'
+      )
     )
   )
 }
   theme <- rstudioapi::getThemeInfo()
   shiny::tags$style(shiny::HTML(paste0(
     ".emoji-picker {\n",
-    "  --background-color: ", theme$background, ";\n",
-    "  --text-color: ", theme$foreground, ";\n",
+    if (theme$dark) "  --dark-background-color: " else "  --background-color: ", theme$background, ";\n",
+    if (theme$dark) "  --dark-text-color: " else "  --text-color: ", theme$foreground, ";\n",
     "}\n",
     "body { background-color: ", theme$background, "; color: ", theme$foreground, ";}\n",
     "#picker_type {\n",

inst/picker/emoji-picker.js

 
 picker.togglePicker(document.getElementById('emoji-picker'))
 
-document.querySelector('.emoji-picker__wrapper').addEventListener('keydown', function(ev) {
+const divPicker = document.querySelector('.emoji-picker__wrapper')
+divPicker.style.top = '0'
+divPicker.style.left = '0'
+
+divPicker.addEventListener('keydown', function(ev) {
   if (ev.keyCode === 27) {
     ev.stopPropagation()
     Shiny.setInputValue('close', Date.now())