Rename isType to isMimeType in File DTO

Refactored the File DTO method isType to isMimeType for clarity. Updated all relevant unit tests to use the new method name.

Author: JosephGabito

src/Files/DTO/File.php

@@ -295,7 +295,7 @@ public function isText(): bool
      *
      * @return bool True if the file is of the specified type.
      */
-    public function isType(string $type): bool
+    public function isMimeType(string $type): bool
     {
         return $this->mimeType->isType($type);
     }

tests/unit/Files/DTO/FileTest.php

@@ -207,10 +207,10 @@ public function testMimeTypeMethods(): void
         $this->assertFalse($file->isImage());
         $this->assertFalse($file->isAudio());
         $this->assertFalse($file->isText());
-        $this->assertTrue($file->isType('video'));
-        $this->assertFalse($file->isType('image'));
-        $this->assertFalse($file->isType('audio'));
-        $this->assertFalse($file->isType('text'));
+        $this->assertTrue($file->isMimeType('video'));
+        $this->assertFalse($file->isMimeType('image'));
+        $this->assertFalse($file->isMimeType('audio'));
+        $this->assertFalse($file->isMimeType('text'));
     }
 
     /**