Remove circular dependencies

In reference to issue #5563 this does the initial work to remove
all the circular dependencies that we have encountered while
building backstage using bazel. The next step will be to implement
a method to catch these circular dependencies before they get
merged in

Signed-off-by: jrusso1020 <jrusso@brex.com>

plugins/auth-backend/src/lib/oauth/OAuthAdapter.ts

@@ -23,7 +23,7 @@ import {
   AuthProviderConfig,
 } from '../../providers/types';
 import { InputError } from '@backstage/errors';
-import { TokenIssuer } from '../../identity';
+import { TokenIssuer } from '../../identity/types';
 import { verifyNonce } from './helpers';
 import { postMessageResponse, ensuresXRequestedWith } from '../flow';
 import { OAuthHandlers, OAuthStartRequest, OAuthRefreshRequest } from './types';

plugins/auth-backend/src/providers/google/provider.ts

@@ -39,7 +39,7 @@ import {
   PassportDoneCallback,
 } from '../../lib/passport';
 import { AuthProviderFactory, RedirectInfo } from '../types';
-import { TokenIssuer } from '../../identity';
+import { TokenIssuer } from '../../identity/types';
 
 type PrivateInfo = {
   refreshToken: string;

plugins/auth-backend/src/providers/saml/provider.ts

@@ -28,7 +28,7 @@ import {
 } from '../../lib/passport';
 import { AuthProviderRouteHandlers, AuthProviderFactory } from '../types';
 import { postMessageResponse } from '../../lib/flow';
-import { TokenIssuer } from '../../identity';
+import { TokenIssuer } from '../../identity/types';
 
 type SamlInfo = {
   fullProfile: any;

plugins/auth-backend/src/providers/types.ts

@@ -19,7 +19,7 @@ import { CatalogApi } from '@backstage/catalog-client';
 import { Config } from '@backstage/config';
 import express from 'express';
 import { Logger } from 'winston';
-import { TokenIssuer } from '../identity';
+import { TokenIssuer } from '../identity/types';
 
 export type AuthProviderConfig = {
   /**