tests: Update subgraph datasource imports to use name-based paths

Update integration test mappings to use the new name-based import paths
generated by gnd codegen:
- subgraph-data-sources: use `subgraph-Contract`
- multiple-subgraph-datasources: use `subgraph-SourceA` and `subgraph-SourceB`

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: lutter

tests/integration-tests/multiple-subgraph-datasources/src/mapping.ts

@@ -1,7 +1,7 @@
 import { dataSource, EntityTrigger, log } from '@graphprotocol/graph-ts'
 import { AggregatedData } from '../generated/schema'
-import { SourceAData } from '../generated/subgraph-QmZBecjQfrQG5BfpapLywSAzVb5FSFty4j9hVSAhkxbBas'
-import { SourceBData } from '../generated/subgraph-QmaqX7yefmvgVTbc2ZukVYasSgXtE7Xg5b79Z7afVx4y6u'
+import { SourceAData } from '../generated/subgraph-SourceA'
+import { SourceBData } from '../generated/subgraph-SourceB'
 
 
 // We know this handler will run first since its defined first in the manifest

tests/integration-tests/subgraph-data-sources/src/mapping.ts

@@ -1,5 +1,5 @@
 import { log, store } from '@graphprotocol/graph-ts';
-import { Block, Block2, Block3 } from '../generated/subgraph-QmRWTEejPDDwALaquFGm6X2GBbbh5osYDXwCRRkoZ6KQhb';
+import { Block, Block2, Block3 } from '../generated/subgraph-Contract';
 import { MirrorBlock, MirrorBlockBytes } from '../generated/schema';
 
 export function handleEntity(block: Block): void {