[NI] Fix exception on incomplete try/catch block

There was an inconsistency on creating PSI call and corresponding
 descriptor. See variable `catchBlocks` from visitor, it's created
 only if PSI elements are not null, but for descriptor parameters
 there wasn't such check

 #KT-32134 Fixed
 #EA-139748 Fixed

compiler/testData/diagnostics/tests/incompleteCode/incompleteTryCatchBlock.kt

@@ -0,0 +1,14 @@
+fun test1() {
+    try {
+
+    } catch (<!SYNTAX!><!>)<!SYNTAX!><!>
+}
+
+fun test2() {
+    try { }<!SYNTAX!><!>
+}
+
+fun test3() {
+    try {
+    } catch (<!SYNTAX!><!>{}<!SYNTAX!>)<!> <!UNUSED_LAMBDA_EXPRESSION!>{}<!>
+}