fix(editor): copying to clipboard with no ClipboardEvent (#10729)

* fix(editor): copying to clipboard with no ClipboardEvent

* fix(editor): use green for `success` state of `FilledButton`

packages/excalidraw/clipboard.ts

@@ -635,13 +635,13 @@ export const copyTextToSystemClipboard = async <
           throw new Error("Failed to setData on clipboardEvent");
         }
       }
+      return;
     }
-    return;
   } catch (error: any) {
     console.error(error);
   }
 
-  let plainTextEntry = entries.find(
+  const plainTextEntry = entries.find(
     ([mimeType]) => mimeType === MIME_TYPES.text,
   );
 
@@ -653,9 +653,7 @@ export const copyTextToSystemClipboard = async <
       // NOTE: doesn't work on FF on non-HTTPS domains, or when document
       // not focused
       await navigator.clipboard.writeText(plainTextEntry[1]);
-
-      // invalidate it so we don't write it again below
-      plainTextEntry = undefined;
+      return;
     } catch (error: any) {
       console.error(error);
     }

packages/excalidraw/components/FilledButton.scss

@@ -53,6 +53,7 @@
     &.ExcButton--status-loading,
     &.ExcButton--status-success {
       pointer-events: none;
+      background-color: var(--color-success);
 
       .ExcButton__contents {
         visibility: hidden;