[E2E] Update qa-selector to testid for Dashboard Projects

What does this MR do and why?

Update qa-selector to testid for Dashboard Projects as part of migration of Systems stage qa selectors

For further context:

• Phase out `data-qa-selector` and replace it wit... (gitlab-org/quality/quality-engineering/team-tasks#1822 - closed)
• Systems stage - Phase out `data-qa-selector` an... (gitlab-org/quality/quality-engineering/team-tasks#1834 - closed)

EE Pages are handled in [E2E] Update qa-selector to testid for EE Dashb... (!132891 - merged)

MR acceptance checklist

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