ui: status indicator no longer uses the text cursor

- the wrapper is select-none with an inline cursor:default (the compiled
  CSS has no cursor-default utility), so hovering the dot/icons no
  longer shows the I-beam or allows text selection
- SW cache v111 -> v112.

frontend/sw.js

@@ -1,4 +1,4 @@
-const CACHE = 'otaman-v111';
+const CACHE = 'otaman-v112';
 const URLS = [
   'index.html',
   'help.html',