Fix import paths and update data retrieval in dpmPositions function

[marcinciarka]

Fixes the use of a new subgraph.

EDIT: Probably needs .env variables that were set before but then removed in marcinciarka@2ecff17

[llamatester]

Error while running adapter at projects/summer-fi:

Error: Missing parameters
Truncated error stack:

    at getConfig (/home/runner/work/DefiLlama-Adapters/DefiLlama-Adapters/projects/helper/cache.js:61:50)
    at tvl (/home/runner/work/DefiLlama-Adapters/DefiLlama-Adapters/projects/summer-fi/index.js:16:11)
    at async getTvl (/home/runner/work/DefiLlama-Adapters/DefiLlama-Adapters/test.js:64:23)
    at async /home/runner/work/DefiLlama-Adapters/DefiLlama-Adapters/test.js:160:9
    at async Promise.all (index 0)