Combine phpstan, cs-check, cs-fix into lint-php recipe; fix lint issues + test failures + duplicate detection bug

phpstan-baseline.neon

@@ -6,12 +6,6 @@ parameters:
 			count: 1
 			path: app/src/Controllers/SearchController.php
 
-		-
-			message: '#^Strict comparison using \!\=\= between mixed~\(0\|0\.0\|''''\|''0''\|array\{\}\|false\|null\) and '''' will always evaluate to true\.$#'
-			identifier: notIdentical.alwaysTrue
-			count: 1
-			path: app/src/Database.php
-
 		-
 			message: '#^Property Dispatcher\:\:\$queryParams is never read, only written\.$#'
 			identifier: property.onlyWritten
@@ -30,6 +24,12 @@ parameters:
 			count: 2
 			path: app/src/Parsedown.php
 
+		-
+			message: '#^Offset ''channel_name'' on array\{instance_url\: string, username\: string, password\: string, channel_name\: string, privacy\: int, peertube_video_label\: string, peertube_audio_label\: string\} on left side of \?\? always exists and is not nullable\.$#'
+			identifier: nullCoalesce.offset
+			count: 1
+			path: app/src/PeerTubeService.php
+
 		-
 			message: '#^Offset ''from_email'' on array\{host\: string, port\: int, encryption\: string, username\: string, password\: string, from_email\: string, from_name\: string, notify_email\: string\} on left side of \?\? always exists and is not nullable\.$#'
 			identifier: nullCoalesce.offset