Fix quote shortcut for most keyboard layouts (#9298)

src/accessibility/KeyboardShortcuts.ts

@@ -339,6 +339,7 @@ export const KEYBOARD_SHORTCUTS: IKeyboardShortcuts = {
     [KeyBindingAction.FormatQuote]: {
         default: {
             ctrlOrCmdKey: true,
+            shiftKey: true,
             key: Key.GREATER_THAN,
         },
         displayName: _td("Toggle Quote"),

src/components/views/rooms/BasicMessageComposer.tsx

@@ -754,7 +754,7 @@ export default class BasicMessageEditor extends React.Component<IProps, IState>
             [Formatting.Bold]: ctrlShortcutLabel("B"),
             [Formatting.Italics]: ctrlShortcutLabel("I"),
             [Formatting.Code]: ctrlShortcutLabel("E"),
-            [Formatting.Quote]: ctrlShortcutLabel(">"),
+            [Formatting.Quote]: ctrlShortcutLabel(">", true),
             [Formatting.InsertLink]: ctrlShortcutLabel("L", true),
         };