Populate previous settings upon selecting a repo

[keanelekenns]

Currently we are able to retrieve a repository's settings upon selecting a new repo. The settings are retrieved in ToolManager.tsx inside the setSelectedRepoFromDrawer function. This task is to use those retrieved settings to populate the options in the GUI.

[DerekRobin]

Upon selecting a repo, if the repo has saved settings, the user is prompted:
That repo has settings already saved. Would you like to load them? YES/NO?
Then regardless of what they choose, when they press the submit button, if the repo already has settings saved, we ask them:
That repo has settings already saved. Would you like to overwrite them? YES/NO?

[skorsch]

(Closed this before seeing dereks comment) But currently there is frontend support for previous instance cards, needs testing with the database