Add support for disabling spell checking (#8604)

Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>

src/components/views/elements/ToggleSwitch.tsx

@@ -25,7 +25,7 @@ interface IProps {
     checked: boolean;
 
     // Whether or not the user can interact with the switch
-    disabled: boolean;
+    disabled?: boolean;
 
     // Called when the checked state changes. First argument will be the new state.
     onChange(checked: boolean): void;