feat(cli): Support displaying storage values in base-2 [#2492] (#2502)

* Update display on repository summary

* Apply throughout app

* Situate units_test

* Update Command Line documentation

* Envar cleanup

* Rename to BytesString

* Restore envar string available for test

* Remove extraneous empty check and restore UIPreferences field for frontend

* PR: config bool cleanup and missed `BaseEnv`s

* Fix lint and test

cli/command_logs_test.go

@@ -107,6 +107,6 @@ func TestLogsMaintenance(t *testing.T) {
 
 	infoLines := e.RunAndExpectSuccess(t, "maintenance", "info")
 	require.Contains(t, infoLines, "  max age of logs: 22h0m0s")
-	require.Contains(t, infoLines, "  max total size:  33 MiB")
+	require.Contains(t, infoLines, "  max total size:  34.6 MB")
 	require.Contains(t, infoLines, "  max count:       44")
 }