* Dashboard Migrations: V31 LabelsToFields-Merge Migration
* Dashboard Migrations: V32 No-op migration
* simplify
* Refactor to reduce nesting
* Dashboard Migrations: V30 value mappings and tooltip options
* Do not automigrate since graph is migrated in v27
* Refactor to reduce nesting
* Add test case for invalid mapping
* migrate to v29
* wip
* Fix tests
* fix output
* wip
* fix min version issue
* fix wire
* ignore gauge logic as it never get's executed
* add panel migration to test
* improvements
* update
* cleanup
* address mappings inconsistencies
* cleanup
* fix lint issues
* add cfg when initializing
* v27 migration
* migrate to v26
* preallocate array
* remove logic for grafana-singlestat because it's shared with stat logic; improve error handling and testing
* fix go lint
* don't preallocate; cleanup comments
* cleanup
* wip
* run internal provider function when getting a single panel
* clean up; add tests
* add tests for panel plugin service
* remove obsolete mock for getting panel plugin
* add tests for the whole pipeline
* fix test and lint
* fix test
* Fix missing scenarios
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Co-authored-by: Ivan Ortega <ivanortegaalba@gmail.com>