[FIR2IR] Add Unit coercion for non-last expressions in try/catch blocks

^KT-61088 Fixed

compiler/testData/ir/irText/expressions/tryCatch.ir.txt

@@ -18,13 +18,19 @@ FILE fqName:<root> fileName:/tryCatch.kt
         TRY type=kotlin.Int
           try: BLOCK type=kotlin.Int origin=null
             CALL 'public final fun println (): kotlin.Unit declared in <root>' type=kotlin.Unit origin=null
+            TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
+              CONST Int type=kotlin.Int value=100
             CONST Int type=kotlin.Int value=42
           CATCH parameter=val e: kotlin.Throwable declared in <root>.test2
             VAR CATCH_PARAMETER name:e type:kotlin.Throwable [val]
             BLOCK type=kotlin.Int origin=null
               CALL 'public final fun println (): kotlin.Unit declared in <root>' type=kotlin.Unit origin=null
+              TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
+                CONST Int type=kotlin.Int value=101
               CONST Int type=kotlin.Int value=24
           finally: BLOCK type=kotlin.Unit origin=null
             CALL 'public final fun println (): kotlin.Unit declared in <root>' type=kotlin.Unit origin=null
+            TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
+              CONST Int type=kotlin.Int value=102
             TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
               CONST Int type=kotlin.Int value=555

compiler/testData/ir/irText/expressions/tryCatch.kt

@@ -17,14 +17,17 @@ fun test1() {
 fun test2(): Int {
     return try {
         println()
+        100
         42
     }
     catch (e: Throwable) {
         println()
+        101
         24
     }
     finally {
         println()
+        102
         555
     }
 }

compiler/testData/ir/irText/expressions/tryCatch.kt.txt

@@ -16,14 +16,17 @@ fun test1() {
 fun test2(): Int {
   return try { // BLOCK
     println()
+    100 /*~> Unit */
     42
   }
   catch (e: Throwable){ // BLOCK
     println()
+    101 /*~> Unit */
     24
   }
   finally { // BLOCK
     println()
+    102 /*~> Unit */
     555 /*~> Unit */
   }
 }