Haris Rozajac
37c1e3fb02
* Dashboard migration: preserve legacy string datasource references Fix v1beta1 → v2alpha1 conversion to handle legacy string datasource references in QueryVariable, AdhocVariable, and GroupByVariable. Previously, string datasource references (both template variables like "$datasource" and direct names/UIDs like "prometheus") were being dropped during conversion, causing variable chaining to break. The frontend's DatasourceSrv.getInstanceSettings() already handles string references by trying uid → name → id lookup at runtime, so we preserve the string in the uid field and let the frontend resolve it. * trigger frontend ci tests when dashboard migration code changes * v1: if string convert to DS ref * Update migration testdata to fix template variable datasource references * update
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