Do not set class loader twice in Undertow setup #45716

Job	Run time
CI Sanity Check	32s
Attach pull request number	3s
Initial JDK 17 Build	10m 12s
Calculate Test Jobs	11s
Devtools Tests - JDK 17	13m 4s
Devtools Tests - JDK 21	13m 13s
Gradle Tests - JDK 17	30m 36s
Kubernetes Tests - JDK 17	7m 44s
JVM Tests - JDK 17	2h 11m 41s
Gradle Tests - JDK 17 Windows	50m 44s
Kubernetes Tests - JDK 21	7m 54s
JVM Tests - JDK 21	2h 2m 22s
Devtools Tests - JDK 17 Windows	19m 50s
Kubernetes Tests - JDK 17 Windows	17m 39s
JVM Tests - JDK 17 Windows	2h 4m 24s
Maven Tests - JDK ${{ matrix.java.name }}	0s
Quickstarts Compilation - JDK 17	6m 46s
MicroProfile TCKs Tests	29m 29s
Native Tests - Main	7m 17s
Native Tests - Data1	14m 5s
Native Tests - Virtual Thread - ${{ matrix.category }}	0s
Native Tests - Data3	20m 11s
Native Tests - Data4	10m 58s
Native Tests - Data5	12m 14s
Native Tests - Data6	34m 18s
Native Tests - Data7	19m 17s
Native Tests - Amazon	7m 9s
Native Tests - Messaging1	29m 1s
Native Tests - Messaging2	14m 0s
Native Tests - Security1	25m 41s
Native Tests - Security2	18m 18s
Native Tests - Security3	5m 22s
Native Tests - Cache	13m 42s
Native Tests - HTTP	19m 3s
Native Tests - Misc1	17m 44s
Native Tests - Misc2	16m 6s
Native Tests - Misc3	22m 28s
Native Tests - Misc4	37m 10s
Native Tests - Spring	21m 39s
Native Tests - gRPC	14m 48s
Native Tests - Windows support	9m 58s
Native Tests - DevTools Integration Tests	5m 30s
Native Tests - AWT, ImageIO and Java2D, Packaging .so files	10m 32s
Upload build stats to collector	0s
Build report	39s
	16h 33m 34s

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