Refactored job line edit modal to use redux so that it can be an independent form. Created general modals reducer to manage all modals.

client/src/redux/modals/modals.selectors.js

@@ -0,0 +1,9 @@
+import { createSelector } from "reselect";
+
+const selectModals = state => state.modals;
+
+export const selectJobLineEditModal = createSelector(
+  [selectModals],
+  modals => modals.jobLineEdit
+);
+