Fix queries in ssr_router example

[Oliver-Bilbie]

Description

Fixed a bug where the ssr_router example would panic when query parameters were passed.

Checklist

• I have reviewed my own code
• I have added tests

[github-actions]

Size Comparison

examples	master (KB)	pull request (KB)	diff (KB)	diff (%)
async_clock	101.144	101.144	0	0.000%
boids	174.688	174.688	0	0.000%
communication_child_to_parent	93.555	93.555	0	0.000%
communication_grandchild_with_grandparent	106.486	106.486	0	0.000%
communication_grandparent_to_grandchild	101.738	101.738	0	0.000%
communication_parent_to_child	89.891	89.891	0	0.000%
contexts	106.636	106.636	0	0.000%
counter	86.929	86.929	0	0.000%
counter_functional	87.330	87.330	0	0.000%
dyn_create_destroy_apps	89.736	89.736	0	0.000%
file_upload	100.715	100.715	0	0.000%
function_memory_game	173.401	173.401	0	0.000%
function_router	349.626	349.626	0	0.000%
function_todomvc	162.125	162.125	0	0.000%
futures	230.393	230.393	0	0.000%
game_of_life	111.037	111.037	0	0.000%
immutable	188.747	188.747	0	0.000%
inner_html	80.631	80.631	0	0.000%
js_callback	110.349	110.349	0	0.000%
keyed_list	200.100	200.100	0	0.000%
mount_point	83.528	83.528	0	0.000%
nested_list	114.709	114.709	0	0.000%
node_refs	91.046	91.046	0	0.000%
password_strength	1751.200	1751.200	0	0.000%
portals	94.224	94.224	0	0.000%
router	318.512	318.512	0	0.000%
simple_ssr	141.241	141.241	0	0.000%
ssr_router	387.809	387.809	0	0.000%
suspense	116.475	116.475	0	0.000%
timer	89.393	89.393	0	0.000%
timer_functional	98.763	98.763	0	0.000%
todomvc	142.437	142.437	0	0.000%
two_apps	86.646	86.646	0	0.000%
web_worker_fib	135.509	135.509	0	0.000%
web_worker_prime	185.938	185.938	0	0.000%
webgl	83.187	83.187	0	0.000%

✅ None of the examples has changed their size significantly.