make $conditionalExpressions key consistent in all usages

Author: rajyan

src/Analyser/NodeScopeResolver.php

@@ -3490,11 +3490,12 @@ private function processSureTypesForConditionalExpressionsAfterAssign(Scope $sco
 				$conditionalExpressions[$exprString] = [];
 			}
 
-			$conditionalExpressions[$exprString][] = new ConditionalExpressionHolder([
+			$holder = new ConditionalExpressionHolder([
 				'$' . $variableName => $variableType,
 			], VariableTypeHolder::createYes(
 				TypeCombinator::intersect($scope->getType($expr), $exprType),
 			));
+			$conditionalExpressions[$exprString][$holder->getKey()] = $holder;
 		}
 
 		return $conditionalExpressions;
@@ -3518,11 +3519,12 @@ private function processSureNotTypesForConditionalExpressionsAfterAssign(Scope $
 				$conditionalExpressions[$exprString] = [];
 			}
 
-			$conditionalExpressions[$exprString][] = new ConditionalExpressionHolder([
+			$holder = new ConditionalExpressionHolder([
 				'$' . $variableName => $variableType,
 			], VariableTypeHolder::createYes(
 				TypeCombinator::remove($scope->getType($expr), $exprType),
 			));
+			$conditionalExpressions[$exprString][$holder->getKey()] = $holder;
 		}
 
 		return $conditionalExpressions;
@@ -3689,9 +3691,10 @@ static function (): void {
 			$conditionalHolders = [];
 			foreach ($iterateeType->getKeyTypes() as $i => $keyType) {
 				$valueType = $iterateeType->getValueTypes()[$i];
-				$conditionalHolders[] = new ConditionalExpressionHolder([
+				$holder = new ConditionalExpressionHolder([
 					'$' . $stmt->keyVar->name => $keyType,
 				], new VariableTypeHolder($valueType, TrinaryLogic::createYes()));
+				$conditionalHolders[$holder->getKey()] = $holder;
 			}
 
 			$scope = $scope->addConditionalExpressions(

src/Analyser/TypeSpecifier.php

@@ -962,10 +962,11 @@ private function processBooleanConditionalTypes(Scope $scope, SpecifiedTypes $le
 					$holders[$exprString] = [];
 				}
 
-				$holders[$exprString][] = new ConditionalExpressionHolder(
+				$holder = new ConditionalExpressionHolder(
 					$conditionExpressionTypes,
 					new VariableTypeHolder(TypeCombinator::remove($scope->getType($expr), $type), TrinaryLogic::createYes()),
 				);
+				$holders[$exprString][$holder->getKey()] = $holder;
 			}
 
 			return $holders;