[Docs] Fix 19.02 search result links
[Docs] Fix 19.02 search result links

Fixes clicking search results not doing anything.
This was already fixed in templater (so 19.01 is fine) but the change
has not been merged in docManagement yet.

Resolves: LE-12497
Change-Id: I32f678d07c0b60c8a021b866da153bed58db80a7

legatoproject/legato-docs,legatoproject/legato-docs,legatoproject/legato-docs