Resolve all forcetypeassert linter errors and reduce the list

[shahzadlone]

Resolve all forcetypeassert linter errors and reduce/finish the list of files being ignored for that linter in tools/configs/golangci.yaml :

    - path: "(\
             client/document.go|\
             client/normal_value_test.go|\
             net/grpc.go|\
             node/store_badger.go|\
             internal/connor/eq.go|\
             internal/core/block/block.go|\
             internal/core/block/block_test.go|\
             internal/core/key_test.go|\
             internal/core/view_item.go|\
             internal/db/backup.go|\
             internal/db/base/compare.go|\
             internal/db/collection.go|\
             internal/db/context.go|\
             internal/db/fetcher/indexer_iterators.go|\
             internal/db/index_test.go|\
             internal/db/indexed_docs_test.go|\
             internal/db/merge.go|\
             internal/db/merge_test.go|\
             internal/db/p2p_replicator.go|\
             internal/db/p2p_replicator_test.go|\
             internal/db/p2p_schema_root.go|\
             internal/db/p2p_schema_root_test.go|\
             internal/lens/fetcher.go|\
             internal/merkle/clock/clock.go|\
             internal/merkle/crdt/merklecrdt.go|\
             internal/planner/arbitrary_join.go|\
             internal/planner/filter/complex.go|\
             internal/planner/filter/copy.go|\
             internal/planner/filter/copy_field.go|\
             internal/planner/filter/copy_test.go|\
             internal/planner/filter/extract_properties.go|\
             internal/planner/filter/normalize.go|\
             internal/planner/filter/unwrap_relation.go|\
             internal/planner/group.go|\
             internal/planner/lens.go|\
             internal/planner/mapper/mapper.go|\
             internal/planner/mapper/targetable.go|\
             internal/planner/planner.go|\
             internal/planner/sum.go|\
             internal/planner/view.go|\
             internal/request/graphql/parser/commit.go|\
             internal/request/graphql/parser/filter.go|\
             internal/request/graphql/parser/mutation.go|\
             internal/request/graphql/parser/query.go|\
             internal/request/graphql/parser/request.go|\
             internal/request/graphql/schema/collection.go|\
             internal/request/graphql/schema/generate.go|\
             tests/gen|\
             tests/integration/utils.go|\
             tests/integration/explain.go|\
             tests/integration/events.go|\
             tests/integration/acp.go|\
             tests/integration/schema/default_fields.go|\
             tests/predefined/gen_predefined.go\
             )"