Effects: add diagnostic tests on contracts

- Make AbstractDiagnosticsTest dump function contracts
- Add diagnostics tests on parsing contracts
- Add diagnostics tests on smartcats in presence of functions with
contracts
- Add diagnostics tests on initialization and flow in presence of
in-place called lambdas

==========
Introduction of EffectSystem: 16/18

compiler/testData/diagnostics/testsWithStdLib/contracts/controlflow/flowInlining/tryCatch.txt

@@ -0,0 +1,9 @@
+package
+
+public fun </*0*/ T> myRun(/*0*/ block: () -> T): T
+    CallsInPlace(block, EXACTLY_ONCE)
+
+public fun possibleReassignmentInTryCatch(): kotlin.Unit
+public fun someComputation(): kotlin.Int
+public fun tryCatchInlined(): kotlin.Unit
+public fun tryCatchOuter(): kotlin.Unit