Don't ignore empty SSE events in client #33341

Job	Run time
Attach pull request number	2s
CI Sanity Check	31s
Initial JDK 11 Build	19m 44s
Calculate Test Jobs	14s
JVM Tests - JDK 11	1h 4m 45s
JVM Tests - JDK 17	49m 21s
Maven Tests - JDK ${{ matrix.java.name }}	0s
JVM Tests - JDK 20	52m 30s
JVM Tests - JDK 17 Windows	59m 33s
Gradle Tests - JDK ${{ matrix.java.name }}	0s
Devtools Tests - JDK ${{ matrix.java.name }}	0s
Kubernetes Tests - JDK ${{ matrix.java.name }}	0s
Quickstarts Compilation - JDK 17	8m 11s
Native Tests - Main	12m 3s
MicroProfile TCKs Tests	14m 17s
Native Tests - Data3	12m 51s
Native Tests - Data4	10m 6s
Native Tests - Messaging1	29m 42s
Native Tests - Virtual Thread - Main	7m 3s
Native Tests - Security2	19m 6s
Native Tests - Virtual Thread - Messaging	14m 52s
Native Tests - Security3	10m 2s
Native Tests - Cache	13m 39s
Native Tests - HTTP	44m 24s
Native Tests - Misc1	7m 51s
Native Tests - Misc3	16m 5s
Native Tests - Misc4	15m 29s
Native Tests - gRPC	7m 59s
Build report	18s
	8h 10m 38s

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