tests: fixed some flacky tests on docker.

backends: use reference explicitly to properly translate GIT references to commits such as numeric branches

pull-requests: fixed some xss problems with odd filenames.

build: fix rhodecode-tools for docker builds

pull-requests: fixed multiple repetitions of referenced tickets in pull requests summary sidebar.

packaging: fixed few packages requirements for a proper builds

archives: if implicit ref name was used to obtain archive, redirect to explicit commit sha so we can have the proper caching for references names.

archives: use a special name for non-hashed archives to fix caching issues.

release: Bump version 4.24.0 to 4.25.0

rcextensions: fixed pre-files extractor return code support.