fix(ManageNoteTypes): Make search case-insensitive

This commit improves the search functionality in ManageNoteTypes:
- Updates the filter logic to be case-insensitive for better usability.
- Fixes a bug where the search query update would reset the cursor position, preventing rapid deletion.

Author: Ayush-Patel-56

AnkiDroid/src/main/java/com/ichi2/anki/notetype/ManageNoteTypesViewModel.kt

@@ -75,7 +75,7 @@ class ManageNoteTypesViewModel : ViewModel() {
         _state.update { oldState ->
             val matchedNoteTypes =
                 oldState.noteTypes.map {
-                    it.copy(shouldBeDisplayed = it.name.contains(query))
+                    it.copy(shouldBeDisplayed = it.name.contains(query, ignoreCase = true))
                 }
             oldState.copy(isLoading = false, noteTypes = matchedNoteTypes, searchQuery = query)
         }

AnkiDroid/src/main/java/com/ichi2/anki/notetype/ManageNotetypes.kt

@@ -177,7 +177,10 @@ class ManageNotetypes : AnkiActivity(R.layout.activity_manage_note_types) {
             val searchMenuItem =
                 findViewById<Toolbar>(R.id.toolbar).menu?.findItem(R.id.search_item)
             val searchView = searchMenuItem?.actionView as? AccessibleSearchView
-            searchView?.setQuery(state.searchQuery, false)
+            // Avoid resetting cursor position if query hasn't changed
+            if (searchView?.query.toString() != state.searchQuery) {
+                searchView?.setQuery(state.searchQuery, false)
+            }
         }
         binding.selectionToolbar.isVisible = state.isInMultiSelectMode
         val selectedCount = state.noteTypes.count { it.isSelected }

AnkiDroid/src/test/java/com/ichi2/anki/notetype/ManageNoteTypesViewModelTest.kt

@@ -159,6 +159,20 @@ class ManageNoteTypesViewModelTest : RobolectricTest() {
             assertTrue(viewModel.noteTypeForName(testName2).isSelected)
         }
 
+    @Test
+    fun `filtering is case insensitive`() =
+        runTest {
+            val testName = "MixedCaseName"
+            addStandardNoteType(testName, arrayOf("front", "back"), "", "")
+            val viewModel = ManageNoteTypesViewModel()
+            viewModel.filter("mixedcasename")
+            val currentlyDisplayed =
+                viewModel.state.value.noteTypes
+                    .filter { it.shouldBeDisplayed }
+            assertThat(currentlyDisplayed, hasSize(1))
+            assertThat(currentlyDisplayed.map { it.name }, hasItems(testName))
+        }
+
     @Test
     fun `removal failure in multiple selection returns expected exception`() =
         runTest {