feat(qb): add connection verifier to qb

libs/shared/lib/querybuilder/model/graphology/model.ts

libs/shared/lib/querybuilder/model/graphology/utils.ts

libs/shared/lib/querybuilder/model/index.ts

libs/shared/lib/querybuilder/model/reactflow/handles.tsx

libs/shared/lib/querybuilder/panel/querybuilder.tsx

...uerybuilder/panel/stories/querybuilder-simple.stories.tsx

...lder/panel/stories/querybuilder-single-entity.stories.tsx

...anel/stories/querybuilder-single-relationship.stories.tsx

libs/shared/lib/querybuilder/pills/FilterHandle.tsx

...rybuilder/pills/customFlowPills/entitypill/entitypill.tsx

...uerybuilder/pills/customFlowPills/logicpill/logicpill.tsx

...r/pills/customFlowPills/relationpill/relation-handles.tsx

...ilder/pills/customFlowPills/relationpill/relationpill.tsx

...ared/lib/querybuilder/pills/pilldropdown/pilldropdown.tsx