* Enhance security information retrieval and handling
- Add support for operating MIC codes in security info fetching
- Update security uniqueness validation to handle unknown securities
- Improve security creation and update logic in Plaid investment sync
- Update combobox and view components to handle operating MIC codes
- Add unknown flag for securities with incomplete information
* Update schema.rb
* Refactor the need for mic codes
* Don't fetch prices unless a security has the necessary mic code
* Deduplication
* Lint
* Update Securities and Plaid Investment Sync
- Modify PlaidInvestmentSync to return plaid_security for USD cash
- Add non-null constraint to Securities ticker column
- Update Securities fixture to use exchange_operating_mic instead of exchange_mic
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Signed-off-by: Josh Pigford <josh@joshpigford.com>
