Moves repositories settings to be last

Removes Show Here/Show in Side Bar toggle from search git command
Changes showResultsInSideBar to be an override if not null

Avoids repeated authentication prompts
Persists provider disconnect across reloads

Updates settings UI more info links to search for settings

Moves avatar cache to global storage
Improves avatar cache updates/resets
Improves contributor avatar fetch update

Adds ahead commit status for branches without an upstream

Renames Copy Commit ID to Copy SHA
Renames Copy Commit Message to Copy Message