💄(frontend) force light theme on BlockNote editor

The BlockNote editor theme was not being forced to
light mode. Depend the user theme preference,
the blocknote theme could be dark.
We force it to light mode.

src/frontend/apps/impress/src/features/docs/doc-editor/components/BlockNoteEditor.tsx

@@ -78,6 +78,7 @@ export const BlockNoteContent = ({ doc, provider }: BlockNoteContentProps) => {
         editor={editor}
         formattingToolbar={false}
         editable={doc.abilities.partial_update}
+        theme="light"
       >
         <BlockNoteToolbar />
       </BlockNoteView>