chore: Fix SetLogger warning and image ref to use multiarch images with fully qualified names.

[IshwarKanse]

The PR fixes the SetLogger warning we get during test execution.

    observability_installer_test.go:240: job verify-traces-traceql-grpc didn't succeed yet
[controller-runtime] log.SetLogger(...) was never called; logs will not be displayed.
Detected at:
	>  goroutine 115 [running]:
	>  runtime/debug.Stack()
	>  	/opt/homebrew/Cellar/go/1.24.6/libexec/src/runtime/debug/stack.go:26 +0x64
	>  sigs.k8s.io/controller-runtime/pkg/log.eventuallyFulfillRoot()
	>  	/Users/ikanse/go/pkg/mod/sigs.k8s.io/[email protected]/pkg/log/log.go:60 +0xf4
	>  sigs.k8s.io/controller-runtime/pkg/log.(*delegatingLogSink).WithValues(0x14000426ec0, {0x0, 0x0, 0x0})
	>  	/Users/ikanse/go/pkg/mod/sigs.k8s.io/[email protected]/pkg/log/deleg.go:168 +0x38
	>  github.com/go-logr/logr.Logger.WithValues(...)
	>  	/Users/ikanse/go/pkg/mod/github.com/go-logr/[email protected]/logr.go:332
	>  sigs.k8s.io/controller-runtime/pkg/log.FromContext({0x102d9ee68?, 0x1043b9940?}, {0x0?, 0x0?, 0x0?})
	>  	/Users/ikanse/go/pkg/mod/sigs.k8s.io/[email protected]/pkg/log/log.go:98 +0xac
	>  sigs.k8s.io/controller-runtime/pkg/log.(*KubeAPIWarningLogger).HandleWarningHeaderWithContext(0x140005554e8, {0x102d9ee68?, 0x1043b9940?}, 0x12b, {0xb?, 0x102225136?}, {0x1400058c300, 0xa3})
	>  	/Users/ikanse/go/pkg/mod/sigs.k8s.io/[email protected]/pkg/log/warning_handler.go:49 +0x54
	>  k8s.io/client-go/rest.handleWarnings({0x102d9ee68, 0x1043b9940}, 0x10?, {0x102d73680?, 0x140005554e8?})
	>  	/Users/ikanse/go/pkg/mod/k8s.io/[email protected]/rest/warnings.go:187 +0xe0
	>  k8s.io/client-go/rest.(*Request).transformResponse(0x14000c7bc80, {0x102d9ee68, 0x1043b9940}, 0x14000013e60, 0x140003cb7c0)
	>  	/Users/ikanse/go/pkg/mod/k8s.io/[email protected]/rest/request.go:1263 +0x320
	>  k8s.io/client-go/rest.(*Request).Do.func1(0x1400095e800?, 0xa?)
	>  	/Users/ikanse/go/pkg/mod/k8s.io/[email protected]/rest/request.go:1137 +0x44
	>  k8s.io/client-go/rest.(*Request).request.func3.1(...)
	>  	/Users/ikanse/go/pkg/mod/k8s.io/[email protected]/rest/request.go:1107
	>  k8s.io/client-go/rest.(*Request).request.func3(0x14000013e60, 0x14000747b78, {0x102d9f458?, 0x1400095e800?}, 0x14000013e60?, 0x0?, 0x140003cb7c0, {0x0?, 0x0?}, 0x0?)
	>  	/Users/ikanse/go/pkg/mod/k8s.io/[email protected]/rest/request.go:1114 +0xb8
	>  k8s.io/client-go/rest.(*Request).request(0x14000c7bc80, {0x102d9ee68, 0x1043b9940}, 0x14000747b78)
	>  	/Users/ikanse/go/pkg/mod/k8s.io/[email protected]/rest/request.go:1116 +0x400
	>  k8s.io/client-go/rest.(*Request).Do(0x14000c7bc80, {0x102d9ee68, 0x1043b9940})
	>  	/Users/ikanse/go/pkg/mod/k8s.io/[email protected]/rest/request.go:1136 +0xd8
	>  sigs.k8s.io/controller-runtime/pkg/client.(*unstructuredClient).Delete(0x1400049eb58?, {0x102d9ee68, 0x1043b9940}, {0x102dd0a18?, 0x1400008f6e8?}, {0x0, 0x0, 0x102e36d1a?})
	>  	/Users/ikanse/go/pkg/mod/sigs.k8s.io/[email protected]/pkg/client/unstructured_client.go:114 +0x328
	>  sigs.k8s.io/controller-runtime/pkg/client.(*client).Delete(0x1400049eb40?, {0x102d9ee68?, 0x1043b9940?}, {0x102dd0a18?, 0x1400008f6e8?}, {0x0?, 0x0?, 0x0?})
	>  	/Users/ikanse/go/pkg/mod/sigs.k8s.io/[email protected]/pkg/client/client.go:298 +0x124
	>  github.com/rhobs/observability-operator/test/e2e.testObservabilityInstallerTracing.func10()
	>  	/Users/ikanse/observability-operator/test/e2e/observability_installer_test.go:189 +0x4c
	>  github.com/rhobs/observability-operator/test/e2e.testObservabilityInstallerTracing.(*Framework).CleanUp.func19()
	>  	/Users/ikanse/observability-operator/test/e2e/framework/framework.go:256 +0x50
	>  testing.(*common).Cleanup.func1()
	>  	/opt/homebrew/Cellar/go/1.24.6/libexec/src/testing/testing.go:1211 +0xf4
	>  testing.(*common).runCleanup(0x140000eac40, 0x140007de6e0?)
	>  	/opt/homebrew/Cellar/go/1.24.6/libexec/src/testing/testing.go:1445 +0xe4
	>  testing.tRunner.func2()
	>  	/opt/homebrew/Cellar/go/1.24.6/libexec/src/testing/testing.go:1786 +0x2c
	>  testing.tRunner(0x140000eac40, 0x102d68290)
	>  	/opt/homebrew/Cellar/go/1.24.6/libexec/src/testing/testing.go:1798 +0x110
	>  created by testing.(*T).Run in goroutine 107
	>  	/opt/homebrew/Cellar/go/1.24.6/libexec/src/testing/testing.go:1851 +0x374

And images not being pulled with short name restrictions.

Warning Failed  47m (x41 over 3h52m)   kubelet Failed to pull image "minio/minio": short name mode is enforcing, but image name minio/minio:latest returns ambiguous list
Warning Failed     16s (x2 over 33s) kubelet      Failed to pull image "curlimages/curl:latest": short name mode is enforcing, but image name curlimages/curl:latest returns ambiguous list

[openshift-ci]

Hi @IshwarKanse. Thanks for your PR.

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[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: IshwarKanse
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[danielmellado]

/ok-to-test

[IshwarKanse]

cc @lihongyan1