fix: set correct path_template value for trie node (#3806) #4246

Job	Run time
mypy	2m 7s
validate	12s
slotscheck	1m 29s
pyright	1m 46s
Test server integration (uvicorn<0.27.0)	1m 38s
Test Minimal Application with Base Dependencies	1m 16s
Test server integration (uvicorn>=0.27.0)	1m 33s
Test Minimal Pydantic 1 application	1m 32s
test-platform-compat	0s
test (3.10) / test	2m 53s
test (3.11) / test	2m 47s
test (3.12) / test	4m 33s
test (3.8) / test	3m 59s
test (3.9) / test	2m 44s
build-docs	3m 29s
upload-test-coverage	17s
codeql	2m 50s
sonar	0s
	35m 5s

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