Make sure OidcRequestContextProperties are always modifiable #2188

Job	Run time
Initial JDK 17 Build	14m 0s
CI Sanity Check	32s
Attach pull request number	0s
Calculate Test Jobs	12s
JVM Tests - JDK 17	30m 4s
JVM Tests - JDK 21	30m 27s
Quickstarts Compilation - JDK 17	6m 41s
Devtools Tests - JDK ${{ matrix.java.name }}	0s
JVM Tests - JDK 17 Windows	9m 6s
Maven Tests - JDK 17	7m 48s
Maven Tests - JDK 17 Windows	11m 15s
Kubernetes Tests - JDK ${{ matrix.java.name }}	0s
Gradle Tests - JDK ${{ matrix.java.name }}	0s
Native Tests - Security2	34m 0s
Native Tests - Security3	9m 16s
MicroProfile TCKs Tests	0s
Native Tests - Misc3	6m 49s
Native Tests - Virtual Thread - ${{ matrix.category }}	0s
Build report	50s
Upload build stats to collector	0s
	2h 41m 0s

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