Fix naming of isolated network if the network name contains an underscore

[vishesh92]

Issue #, if available:
Fixes #295
Description of changes:
We replace special characters with - for cloudstackisolatednetworks crd resource name.

Testing performed:
Created a cluster with name capc-cluster and network name set as Guest_net-work (Network). A network with name Guest_net-work (Network) was created on ACS and the cloudstackisolatednetworks CRD object was created with the name capc-cluster-guest-net-work-network on k8s.

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[blueorangutan]

Test Results : (tid-467)
Environment: kvm Rocky8(x3), Advanced Networking with Management Server Rocky8
Kubernetes Version: v1.27.2
Kubernetes Version upgrade from: v1.26.5
Kubernetes Version upgrade to: v1.27.2
CloudStack Version: 4.19
Template: ubuntu-2004-kube
E2E Test Run Logs: https://github.com/blueorangutan/capc-prs/releases/download/capc-pr-ci-cd/capc-e2e-artifacts-pr361-sl-467.zip

Summarizing 2 Failures:
 [FAIL] When testing affinity group [It] Should have host affinity group when affinity is pro
 /jenkins/workspace/capc-e2e-new/test/e2e/common.go:348
 [FAIL] When testing project [AfterEach] Should create a cluster in a project
 /jenkins/workspace/capc-e2e-new/test/e2e/project.go:103

Ran 29 of 30 Specs in 8910.854 seconds
FAIL! -- 27 Passed | 2 Failed | 0 Pending | 1 Skipped
--- FAIL: TestE2E (8910.86s)
FAIL

[blueorangutan]

Test Results : (tid-469)
Environment: kvm Rocky8(x3), Advanced Networking with Management Server Rocky8
Kubernetes Version: v1.27.2
Kubernetes Version upgrade from: v1.26.5
Kubernetes Version upgrade to: v1.27.2
CloudStack Version: 4.19
Template: ubuntu-2004-kube
E2E Test Run Logs: https://github.com/blueorangutan/capc-prs/releases/download/capc-pr-ci-cd/capc-e2e-artifacts-pr361-sl-469.zip

Summarizing 4 Failures:
 [FAIL] When testing affinity group [It] Should have host affinity group when affinity is pro
 /jenkins/workspace/capc-e2e-new/test/e2e/common.go:348
 [FAIL] When testing resource cleanup [It] Should create a new network when the specified network does not exist
 /root/go/pkg/mod/sigs.k8s.io/cluster-api/test@v1.4.8/framework/clusterctl/clusterctl_helpers.go:345
 [FAIL] When testing project [AfterEach] Should create a cluster in a project
 /jenkins/workspace/capc-e2e-new/test/e2e/project.go:103
 [FAIL] When testing app deployment to the workload cluster with slow network [ToxiProxy] [It] Should be able to download an HTML from the app deployed to the workload cluster
 /jenkins/workspace/capc-e2e-new/test/e2e/deploy_app_toxi.go:133

Ran 29 of 30 Specs in 10175.296 seconds
FAIL! -- 25 Passed | 4 Failed | 0 Pending | 1 Skipped
--- FAIL: TestE2E (10175.30s)
FAIL

[blueorangutan]

Test Results : (tid-471)
Environment: kvm Rocky8(x3), Advanced Networking with Management Server Rocky8
Kubernetes Version: v1.27.2
Kubernetes Version upgrade from: v1.26.5
Kubernetes Version upgrade to: v1.27.2
CloudStack Version: 4.19
Template: ubuntu-2004-kube
E2E Test Run Logs: https://github.com/blueorangutan/capc-prs/releases/download/capc-pr-ci-cd/capc-e2e-artifacts-pr361-sl-471.zip

Summarizing 5 Failures:
 [FAIL] When testing project [AfterEach] Should create a cluster in a project
 /jenkins/workspace/capc-e2e-new/test/e2e/project.go:103
 [FAIL] When testing affinity group [It] Should have host affinity group when affinity is pro
 /jenkins/workspace/capc-e2e-new/test/e2e/common.go:348
 [FAIL] When testing node drain timeout [It] A node should be forcefully removed if it cannot be drained in time
 /root/go/pkg/mod/sigs.k8s.io/cluster-api/test@v1.4.8/framework/deployment_helpers.go:88
 [FAIL] When testing Kubernetes version upgrades [It] Should successfully upgrade kubernetes versions when there is a change in relevant fields
 /root/go/pkg/mod/sigs.k8s.io/cluster-api/test@v1.4.8/framework/machinedeployment_helpers.go:127
 [TIMEDOUT] When testing subdomain [It] Should create a cluster in a subdomain
 /jenkins/workspace/capc-e2e-new/test/e2e/subdomain.go:60

Ran 29 of 30 Specs in 10818.416 seconds
FAIL! - Suite Timeout Elapsed -- 24 Passed | 5 Failed | 0 Pending | 1 Skipped
--- FAIL: TestE2E (10818.42s)
FAIL

[rohityadavcloud]

/approve
/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: rohityadavcloud, vishesh92

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