[TASK] Make getTemplateRootPath() public like its setter

The getTemplateRootPath() method in View\TemplateView now
becomes public analogous to its setter counterpart which
already is public, too.

Change-Id: Id41710aa33d880cb0c3aad7280002761368f3586
Resolves: #29303
Releases: master, 2.0, 1.1
Merge "[TASK] Make getTemplateRootPath() public like its setter"