set expect_crash_on_failure default to False on libFuzzer tasks

src/api-service/__app__/onefuzzlib/job_templates/defaults/libfuzzer.py

@@ -261,7 +261,7 @@
             name="expect_crash_on_failure",
             help="Require crashes upon non-zero exits from libfuzzer",
             type=UserFieldType.Bool,
-            default=True,
+            default=False,
             locations=[
                 UserFieldLocation(
                     op=UserFieldOperation.add,

src/cli/onefuzz/templates/libfuzzer.py

@@ -210,7 +210,7 @@ def basic(
         colocate_all_tasks: bool = False,
         colocate_secondary_tasks: bool = True,
         check_fuzzer_help: bool = True,
-        expect_crash_on_failure: bool = True,
+        expect_crash_on_failure: bool = False,
         minimized_stack_depth: Optional[int] = None,
     ) -> Optional[Job]:
         """