Revert "QAART-363 removing local variable wikiURL"

This reverts commit 22ae21756263b7fa88d6687325399039b747068f.
Revert "QAART-363 Refactor to run disableOptimizely at setup"

This reverts commit 356cd0f279957c31e7551f7c38ed7d8c07a23201.