[TIMOB-7965] iOS WebView: handle titanium injections for local files via customized protocol handler
[TIMOB-7965] load setData through the same route for local files
perform titanium injections only for text/html mime type
Merge pull request #3750 from mstepanov/timob-7965-30x

(3_0_X)[TIMOB-7965] iOS WebView: handle titanium injections for local files via customized protocol handler