fix: improve error-message handling when saving objects (#2914) · dhis2/maintenance-app@9de41e8

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/setup-node@v1, actions/cache@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

The following actions use a deprecated Node.js version and will be forced to run on node20: actions/checkout@v2, actions/setup-node@v1, actions/cache@v2. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

'DialogRouter' is defined but never used

'event' is assigned a value but never used

'React' is defined but never used

'decimals' is defined but never used

'ProgramIndicatorExpression' is defined but never used

'AnalyticsPeriodBoundaries' is defined but never used

'Observable' is defined but never used

'getD2' is defined but never used

Unexpected template string expression

Unexpected template string expression

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