Fixed incorrect toast messages for IP address pool creation, updates, and errors #15137

Job	Run time
Detect which file has changed	11s
javascript-lint	11s
infrahub-testcontainers-check	0s
infrahub-poetry-check	0s
action-lint	0s
markdown-lint	0s
python-lint	0s
yaml-lint	0s
backend-tests-functional	0s
backend-docker-integration	0s
backend-benchmark	0s
backend-tests-unit	0s
backend-validate-generated	0s
backend-tests-integration	0s
documentation	0s
E2E-testing-invoke-demo-start	0s
E2E-testing-playwright	6m 57s
frontend-tests	1m 49s
validate-generated-documentation	0s
validate-documentation-style	0s
validate-release-notes-style	0s
E2E-testing-version-upgrade / From 1.0.0	6m 47s
coverall-report	3s
	15m 58s

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