Various fixes (#1030)

## Description
Fixes several small issues throughout the app

- Adds 1440p as a resolution option
- Removes the delay when d-pad seeking on the seek bar & reduces it
slightly when controls are hidden
- Fixes padding one home customize pages
- Adds a title to the search for dialog

### Related issues
Fixes #1017

### Testing
Emulator mostly

## Screenshots
N/A

## AI or LLM usage
None

app/src/test/java/com/github/damontecres/wholphin/test/FormattingTests.kt

@@ -0,0 +1,23 @@
+package com.github.damontecres.wholphin.test
+
+import com.github.damontecres.wholphin.ui.util.StreamFormatting.resolutionString
+import org.junit.Assert
+import org.junit.Test
+
+class FormattingTests {
+    @Test
+    fun testResolutionStrings() {
+        Assert.assertEquals("4K", resolutionString(3840, 2160, false))
+        Assert.assertEquals("1080p", resolutionString(1920, 1080, false))
+        Assert.assertEquals("720p", resolutionString(1280, 720, false))
+        Assert.assertEquals("480i", resolutionString(640, 480, true))
+
+        Assert.assertEquals("576p", resolutionString(1024, 576, false))
+        Assert.assertEquals("576p", resolutionString(960, 576, false))
+
+        // 21:9
+        Assert.assertEquals("1080p", resolutionString(1920, 822, false))
+
+        Assert.assertEquals("1440p", resolutionString(2560, 1440, false))
+    }
+}