chore: simplify uri handling implementation (6)

Rename class to be in sync with the class it tests

Author: fioan89

src/test/kotlin/com/coder/toolbox/util/LinkHandlerTest.kt renamed to src/test/kotlin/com/coder/toolbox/util/CoderProtocolHandlerTest.kt

@@ -23,7 +23,7 @@ import kotlin.test.Test
 import kotlin.test.assertEquals
 import kotlin.test.assertNull
 
-internal class LinkHandlerTest {
+internal class CoderProtocolHandlerTest {
     private val context = CoderToolboxContext(
         mockk<ToolboxUi>(relaxed = true),
         mockk<EnvironmentUiPageManager>(),