Merge remote-tracking branch 'upstream/develop' into user-profile-overhault

* upstream/develop:
  Fix style
  Add a way to get new captcha on click
  Fix style
  Separate captcha into the backendInteractor
  more visual fixes
  changed bottom-shadow hiding method to be more compatible with overflow
  small fix for overflowing tab-switcher
  Support disabling captcha
  Base support for CAPTCHA (kocaptcha)

src/modules/users.js

@@ -159,6 +159,10 @@ const users = {
         throw Error(errors)
       }
     },
+    async getCaptcha (store) {
+      return await store.rootState.api.backendInteractor.getCaptcha()
+    },
+
     logout (store) {
       store.commit('clearCurrentUser')
       store.commit('setToken', false)