feat: Use dialog component for clear canvas instead of window confirm (#4075)

* feat: Use dialog component for clear canvas instead of window confirm

* reduce font weight

* fix specs

* update button name and use action

* export clearCanvas from actions

src/locales/en.json

@@ -136,7 +136,9 @@
     "darkMode": "Dark mode",
     "lightMode": "Light mode",
     "zenMode": "Zen mode",
-    "exitZenMode": "Exit zen mode"
+    "exitZenMode": "Exit zen mode",
+    "cancel": "Cancel",
+    "clear": "Clear"
   },
   "alerts": {
     "clearReset": "This will clear the whole canvas. Are you sure?",
@@ -256,6 +258,9 @@
     "zoomToFit": "Zoom to fit all elements",
     "zoomToSelection": "Zoom to selection"
   },
+  "clearCanvasDialog": {
+    "title": "Clear Canvas"
+  },
   "encrypted": {
     "tooltip": "Your drawings are end-to-end encrypted so Excalidraw's servers will never see them.",
     "link": "Blog post on end-to-end encryption in Excalidraw"