feat(Instagram): Add QoL patches and fix existing patches for v421.x.x

New patches added:
- Disable double-tap to like
- Hide comment button
- Download media (partial - fingerprint needs work)
- Disable feed auto-refresh
- Keep scroll position
- Copy bio text

Fixed existing patches:
- Anonymous story viewing: Updated fingerprint to visual_media_seen
- Disable Reels auto-scroll: Removed strict type constraints
- Hide suggested content: Simplified to use returnEarly()
- Enable location sticker redesign: Updated fingerprint (partial)

Also includes extension Java classes for download and bio patches.

extensions/instagram/src/main/java/app/revanced/extension/instagram/misc/download/DownloadMediaPatch.java

@@ -0,0 +1,21 @@
+package app.revanced.extension.instagram.misc.download;
+
+@SuppressWarnings("unused")
+public class DownloadMediaPatch {
+
+    /**
+     * Injection point.
+     * Always return true to allow downloading all media regardless of creator settings.
+     */
+    public static boolean isDownloadAllowed() {
+        return true;
+    }
+
+    /**
+     * Injection point.
+     * Force third-party downloads to be enabled.
+     */
+    public static int forceThirdPartyDownloadsEnabled(int originalValue) {
+        return 1;
+    }
+}

extensions/instagram/src/main/java/app/revanced/extension/instagram/profile/CopyBioTextPatch.java

@@ -0,0 +1,17 @@
+package app.revanced.extension.instagram.profile;
+
+import android.widget.TextView;
+
+@SuppressWarnings("unused")
+public class CopyBioTextPatch {
+
+    /**
+     * Injection point.
+     * Makes the bio TextView selectable and copyable.
+     */
+    public static void makeBioTextSelectable(TextView bioTextView) {
+        if (bioTextView != null) {
+            bioTextView.setTextIsSelectable(true);
+        }
+    }
+}