feat-fix: drop all now returns the basename as well (#1626)

* feat-fix: drop all now returns the basename as well

* test-fix: update tests

Author: EagleoutIce

src/dataflow/internal/process/functions/call/built-in/built-in-source.ts

@@ -100,6 +100,7 @@ export function findSource(seed: string, data: { referenceChain: readonly RParse
 		case DropPathsOption.All: {
 			const paths = platformDirname(seed).split(AnyPathSeparator);
 			const basename = platformBasename(seed);
+			tryPaths.push(basename);
 			if(paths.length === 1 && paths[0] === '.') {
 				break;
 			}

test/functionality/slicing/configuration/source-finding.test.ts

@@ -57,6 +57,6 @@ describe('source finding', () => {
 	assertSourceFound('c.txt', ['c.txt']);
 	assertSourceFound('b.txt', [`a${path.sep}b.txt`], [{ request: 'file', content: `a${path.sep}x.txt` }]);
 	assertSourceFound('b.txt', [`x${path.sep}y${path.sep}z${path.sep}b.txt`], [{ request: 'file', content: `x${path.sep}y${path.sep}z${path.sep}g.txt` }]);
-	assertSourceFound(`..${path.sep}b.txt`, [`x${path.sep}y${path.sep}b.txt`], [{ request: 'file', content: `x${path.sep}y${path.sep}z${path.sep}g.txt` }]);
+	assertSourceFound(`..${path.sep}b.txt`, [`x${path.sep}y${path.sep}b.txt`, `x${path.sep}y${path.sep}z${path.sep}b.txt`], [{ request: 'file', content: `x${path.sep}y${path.sep}z${path.sep}g.txt` }]);
 	assertSourceFound('with spaces.txt', ['with-spaces.txt']); // space replacements
 });