Fix instances of double translation and guard translation calls using typescript (#11443)

Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>

src/components/views/spaces/SpaceCreateMenu.tsx

@@ -287,8 +287,7 @@ const SpaceCreateMenu: React.FC<{
                 <h2>{_t("Create a space")}</h2>
                 <p>
                     {_t(
-                        "Spaces are a new way to group rooms and people. What kind of Space do you want to create? " +
-                            "You can change this later.",
+                        "Spaces are a new way to group rooms and people. What kind of Space do you want to create? You can change this later.",
                     )}
                 </p>