Fix bug where tests with the same name could conflict between projects

IcedTasks experienced this issue when all tests were run.
Merging tests results used to be per-project, but now is not. So the test result venn requires project scope data

Author: farlee2121

src/Components/TestExplorer.fs

@@ -1550,8 +1550,10 @@ module Interactions =
                 testResult.TargetFramework
                 testResult.FullTestName
 
-        let treeItemComparable (t: TestItem) = TestItem.getFullName t.id
-        let resultComparable (r: TestResult) = r.FullTestName
+        let treeItemComparable (t: TestItem) = TestItem.getId t
+
+        let resultComparable (r: TestResult) =
+            TestItem.constructId r.ProjectFilePath r.FullTestName
 
         let missing, expected, added =
             ArrayExt.venn treeItemComparable resultComparable expectedToRun testResults