Fixed some inspection issues

src/Entity/Attachments/Attachment.php

@@ -185,7 +185,7 @@ abstract class Attachment extends AbstractNamedDBElement
         //After the %PLACEHOLDER% comes a slash, so we can check if we have a placeholder via explode
         $tmp = explode('/', $this->path);
 
-        return !in_array($tmp[0], array_merge(static::INTERNAL_PLACEHOLDER, static::BUILTIN_PLACEHOLDER));
+        return !in_array($tmp[0], array_merge(static::INTERNAL_PLACEHOLDER, static::BUILTIN_PLACEHOLDER), true);
     }
 
     /**
@@ -331,7 +331,7 @@ abstract class Attachment extends AbstractNamedDBElement
      */
     public function getShowInTable(): bool
     {
-        return (bool) $this->show_in_table;
+        return $this->show_in_table;
     }
 
     /**

src/Entity/Parts/PartLot.php

@@ -259,7 +259,7 @@ class PartLot extends AbstractDBElement implements TimeStampableInterface, Named
             return round($this->amount);
         }
 
-        return (float) $this->amount;
+        return $this->amount;
     }
 
     /**

src/Entity/Parts/Storelocation.php

@@ -107,7 +107,7 @@ class Storelocation extends AbstractPartsContainingDBElement
      */
     public function isFull(): bool
     {
-        return (bool) $this->is_full;
+        return $this->is_full;
     }
 
     /**

src/Entity/PriceInformations/Orderdetail.php

@@ -176,7 +176,7 @@ class Orderdetail extends AbstractDBElement implements TimeStampableInterface, N
      */
     public function getObsolete(): bool
     {
-        return (bool) $this->obsolete;
+        return $this->obsolete;
     }
 
     /**

src/Entity/PriceInformations/Pricedetail.php

@@ -187,7 +187,7 @@ class Pricedetail extends AbstractDBElement implements TimeStampableInterface
         if ($this->orderdetail && $this->orderdetail->getPart() && !$this->orderdetail->getPart()->useFloatAmount()) {
             $tmp = round($this->price_related_quantity);
 
-            return $tmp < 1 ? 1 : $tmp;
+            return max($tmp, 1);
         }
 
         return $this->price_related_quantity;

src/Entity/UserSystem/User.php

@@ -283,7 +283,7 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
      */
     public function getUsername(): string
     {
-        return (string) $this->name;
+        return $this->name;
     }
 
     public function getUserIdentifier(): string