NhatTruyen: update search path (#4800)

Update search path for searching and migrating function

src/vi/nhattruyen/build.gradle

@@ -3,7 +3,7 @@ ext {
     extClass = '.NhatTruyen'
     themePkg = 'wpcomics'
     baseUrl = 'https://nhattruyenvn.com'
-    overrideVersionCode = 18
+    overrideVersionCode = 19
 }
 
 apply from: "$rootDir/common.gradle"

src/vi/nhattruyen/src/eu/kanade/tachiyomi/extension/vi/nhattruyen/NhatTruyen.kt

@@ -20,7 +20,7 @@ class NhatTruyen : WPComics(
     dateFormat = SimpleDateFormat("dd/MM/yy", Locale.getDefault()),
     gmtOffset = null,
 ) {
-    override val searchPath = "the-loai"
+    override val searchPath = "tim-truyen"
 
     /**
      * NetTruyen/NhatTruyen redirect back to catalog page if searching query is not found.