Fix: Policies page: Browser back button doesn't work as expected (#43082)

<!-- Add the related story/sub-task/bug number, like Resolves #123, or
remove if NA -->
**Related issue:** Resolves #36643

# Checklist for submitter

- [x] Changes file added for user-visible changes in `changes/`,
`orbit/changes/` or `ee/fleetd-chrome/changes`.
See [Changes
files](https://github.com/fleetdm/fleet/blob/main/docs/Contributing/guides/committing-changes.md#changes-files)
for more information.

## Testing

- [x] QA'd all new/changed functionality manually

changes/36643-fix-back-button-policies-reports

@@ -0,0 +1 @@
+* Fixed browser back button requiring an extra click to leave the Policies and Reports pages.

frontend/pages/policies/ManagePoliciesPage/ManagePoliciesPage.tsx

@@ -1,5 +1,11 @@
 // TODO: make 'queryParams', 'router', and 'tableQueryData' dependencies stable (aka, memoized)
-import React, { useCallback, useContext, useEffect, useState } from "react";
+import React, {
+  useCallback,
+  useContext,
+  useEffect,
+  useRef,
+  useState,
+} from "react";
 import { useQuery, useQueryClient } from "react-query";
 import { InjectedRouter } from "react-router/lib/Router";
 import PATHS from "router/paths";
@@ -223,6 +229,8 @@ const ManagePolicyPage = ({
       : null;
   })();
 
+  const isFirstNavigation = useRef(true);
+
   // Needs update on location change or table state might not match URL
   const [searchQuery, setSearchQuery] = useState(initialSearchQuery);
   const [
@@ -496,7 +504,12 @@ const ManagePolicyPage = ({
         queryParams: { ...queryParams, ...newQueryParams },
       });
 
-      router?.push(locationPath);
+      if (isFirstNavigation.current) {
+        isFirstNavigation.current = false;
+        router?.replace(locationPath);
+      } else {
+        router?.push(locationPath);
+      }
     },
     [
       isRouteOk,

frontend/pages/queries/ManageQueriesPage/components/QueriesTable/QueriesTable.tsx

@@ -1,5 +1,5 @@
 /* eslint-disable react/prop-types */
-import React, { useContext, useCallback, useMemo } from "react";
+import React, { useContext, useCallback, useMemo, useRef } from "react";
 import { InjectedRouter } from "react-router";
 import { Row } from "react-table";
 import { SingleValue } from "react-select-5";
@@ -97,6 +97,7 @@ const QueriesTable = ({
   isPremiumTier,
 }: IQueriesTableProps): JSX.Element | null => {
   const { currentUser, config } = useContext(AppContext);
+  const isFirstNavigation = useRef(true);
 
   // Functions to avoid race conditions
   // TODO - confirm these are still necessary
@@ -159,7 +160,12 @@ const QueriesTable = ({
         queryParams: { ...queryParams, ...newQueryParams },
       });
 
-      router?.push(locationPath);
+      if (isFirstNavigation.current) {
+        isFirstNavigation.current = false;
+        router?.replace(locationPath);
+      } else {
+        router?.push(locationPath);
+      }
     },
     [
       curTargetedPlatformFilter,