BZ1169521: Allow user to enter Project name with spaces in 'New Project' modal

(cherry picked from commit 2564f51582dba10521c7fa81313fff66a6c4a406)

Conflicts:
	kie-wb-common-screens/kie-wb-common-project-editor/kie-wb-common-project-editor-client/src/main/java/org/kie/workbench/common/screens/projecteditor/client/wizard/GAVWizardPage.java
Fix compilation error.
Fix failing tests

(cherry picked from commit 2b5f8b71dcafde01a3dfea51f9191652378aaaa6)

Conflicts:
	kie-wb-common-screens/kie-wb-common-project-editor/kie-wb-common-project-editor-client/src/test/java/org/kie/workbench/common/screens/projecteditor/client/wizard/GAVWizardPageTest.java
	kie-wb-common-services/kie-wb-common-datamodel/kie-wb-common-datamodel-backend/src/test/java/org/kie/workbench/common/services/datamodel/backend/server/ProjectDataModelConcurrencyTest.java