[FIR] Properly resolve declarations inside contract calls on CONTRACT phase

compiler/testData/diagnostics/testsWithStdLib/contracts/dsl/errors/illegalConstructionInContractBlock.fir.kt

@@ -25,7 +25,7 @@ fun whenInContract(x: Any?, boolean: Boolean) {
 
 fun forInContract(x: Any?) {
     contract {
-        for (i in <!HAS_NEXT_MISSING!>0..1<!>) {
+        for (i in 0..1) {
             returns() implies (x is String)
         }
     }
@@ -52,4 +52,4 @@ fun localValInContract(x: Any?) {
         <!ERROR_IN_CONTRACT_DESCRIPTION!>val y: Int = 42<!>
         returns() implies (x is String)
     }<!>
-}
+}

compiler/testData/diagnostics/testsWithStdLib/contracts/dsl/errors/recursiveContractCustomContractFunction.fir.kt

@@ -1,39 +0,0 @@
-// !OPT_IN: kotlin.contracts.ExperimentalContracts
-// !LANGUAGE: +UseReturnsEffect
-// Issue: KT-26386
-
-fun myRun(block: () -> Unit) {
-    block()
-}
-
-fun contract(block: () -> Unit) {
-    block()
-}
-
-fun case_1(): Boolean? {
-    contract { case_1() }
-    return null
-}
-
-fun case_2(): Boolean? {
-    contract { case_3() }
-    return null
-}
-
-fun case_3(): Boolean? {
-    contract { case_2() }
-    return null
-}
-
-fun case4() {
-    contract {
-        myRun {
-            val s: String
-            run {
-                <!UNRESOLVED_REFERENCE!>s<!> = "hello"
-            }
-            <!UNRESOLVED_REFERENCE!>s<!>.length
-        }
-    }
-}
-

compiler/testData/diagnostics/testsWithStdLib/contracts/dsl/errors/recursiveContractCustomContractFunction.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !OPT_IN: kotlin.contracts.ExperimentalContracts
 // !LANGUAGE: +UseReturnsEffect
 // Issue: KT-26386