fix: Clarify welcome screen message about browser storage limitations (#10721)

* fix: Clarify welcome screen message about browser storage limitations

* css tweaks

* update snaps

---------

Co-authored-by: dwelle <5153846+dwelle@users.noreply.github.com>

packages/excalidraw/components/welcome-screen/WelcomeScreen.scss

@@ -29,7 +29,7 @@
   // ---------------------------------------------------------------------------
 
   .welcome-screen-decor-hint {
-    @media (max-height: 599px) {
+    @media (max-height: 780px) {
       display: none !important;
     }
 
@@ -148,6 +148,7 @@
   .welcome-screen-center__heading {
     font-size: 1.125rem;
     text-align: center;
+    line-height: 1.35rem;
   }
 
   .welcome-screen-menu {

packages/excalidraw/locales/en.json

@@ -557,7 +557,9 @@
   },
   "welcomeScreen": {
     "app": {
-      "center_heading": "All your data is saved locally in your browser.",
+      "center_heading": "Your drawings are saved in your browser's storage.",
+      "center_heading_line2": "Browser storage can be cleared unexpectedly.",
+      "center_heading_line3": "Save your work to a file regularly to avoid losing it.",
       "center_heading_plus": "Did you want to go to the Excalidraw+ instead?",
       "menuHint": "Export, preferences, languages, ..."
     },