feat(YouTube Music): Add Theme patch (#5984)

Co-authored-by: LisoUseInAIKyrios <118716522+LisoUseInAIKyrios@users.noreply.github.com>
Co-authored-by: oSumAtrIX <johan.melkonyan1@web.de>

extensions/shared/library/src/main/java/app/revanced/extension/shared/theme/BaseThemePatch.java

@@ -0,0 +1,48 @@
+package app.revanced.extension.shared.theme;
+
+import androidx.annotation.Nullable;
+
+import app.revanced.extension.shared.Utils;
+
+@SuppressWarnings("unused")
+public abstract class BaseThemePatch {
+    // Background colors.
+    protected static final int BLACK_COLOR = Utils.getResourceColor("yt_black1");
+    protected static final int WHITE_COLOR = Utils.getResourceColor("yt_white1");
+
+    /**
+     * Check if a value matches any of the provided values.
+     *
+     * @param value The value to check.
+     * @param of    The array of values to compare against.
+     * @return True if the value matches any of the provided values.
+     */
+    protected static boolean anyEquals(int value, int... of) {
+        for (int v : of) {
+            if (value == v) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Helper method to process color values for Litho components.
+     *
+     * @param originalValue The original color value.
+     * @param darkValues    Array of dark mode color values to match.
+     * @param lightValues   Array of light mode color values to match.
+     * @return The new or original color value.
+     */
+    protected static int processColorValue(int originalValue, int[] darkValues, @Nullable int[] lightValues) {
+        if (Utils.isDarkModeEnabled()) {
+            if (anyEquals(originalValue, darkValues)) {
+                return BLACK_COLOR;
+            }
+        } else if (lightValues != null && anyEquals(originalValue, lightValues)) {
+            return WHITE_COLOR;
+        }
+
+        return originalValue;
+    }
+}