fixed PHPStan errors

Author: dg

composer.json

@@ -23,7 +23,7 @@
 		"nette/di": "^3.1 || ^4.0",
 		"nette/tester": "^2.6",
 		"tracy/tracy": "^2.8",
-		"phpstan/phpstan-nette": "^2.0@stable"
+		"phpstan/phpstan": "^2.0@stable"
 	},
 	"suggest": {
 		"ext-fileinfo": "to detect type of attached files",

phpstan-baseline.neon

@@ -0,0 +1,25 @@
+parameters:
+	ignoreErrors:
+		-
+			message: '#^Parameter \#1 \$callbacks of static method Nette\\Utils\\Arrays\:\:invoke\(\) expects iterable\<callable\(mixed \.\.\.\)\: mixed\>, array\<callable\(Nette\\Mail\\FallbackMailer, Nette\\Mail\\SendException, Nette\\Mail\\Mailer, Nette\\Mail\\Message\)\: void\> given\.$#'
+			identifier: argument.type
+			count: 1
+			path: src/Mail/FallbackMailer.php
+
+		-
+			message: '#^Parameter \#3 \$replacement of static method Nette\\Utils\\Strings\:\:replace\(\) expects \(callable\(array\<string\|null\>\)\: string\)\|string, Closure\(array\)\: void given\.$#'
+			identifier: argument.type
+			count: 1
+			path: src/Mail/Message.php
+
+		-
+			message: '#^Parameter \#3 \$onError of static method Nette\\Utils\\Callback\:\:invokeSafe\(\) expects callable\(string, int\)\: \(bool\|null\), Closure\(string\)\: void given\.$#'
+			identifier: argument.type
+			count: 1
+			path: src/Mail/SendmailMailer.php
+
+		-
+			message: '#^Method Nette\\Mail\\SmtpMailer\:\:__construct\(\) has parameter \$streamOptions with no value type specified in iterable type array\.$#'
+			identifier: missingType.iterableValue
+			count: 1
+			path: src/Mail/SmtpMailer.php

phpstan.neon

@@ -1,8 +1,15 @@
 parameters:
-	level: 5
+	level: 6
 
 	paths:
 		- src
 
+	checkMissingCallableSignature: true
+
+	ignoreErrors:
+		-   # backward compatibility alias IMailer
+			identifier: if.alwaysFalse
+			path: src/Mail/Mailer.php
+
 includes:
-	- vendor/phpstan/phpstan-nette/extension.neon
+	- phpstan-baseline.neon