K2GO-382 fix(ui): review fixes -- keep module-install routing; drop dead home()

Two-pass review of the deep-op notification change:
- install() no longer sets EXTRA_INSTALLING. That flag forced
  LibraryActivity.installing=true, which suppressed the !installing module-queue
  re-route, so a proot/module install's notification tap stranded on the boot
  gate instead of the install index. A bare LibraryActivity is correct: a rootfs
  install is detected by InstallProgressRepository.isRunning(); a module install
  is forwarded by forActiveOp.
- Remove OpReturnNavigator.home(): it was unused (Run-in-background uses
  SetupProgressActivity.goHome) and was a second builder of the leave-to-Home
  intent -- the duplicated truth the one-source refactor set out to remove.

Author: luisguzman-adfa

controller/app/src/main/java/org/appdevforall/k2go/redesign/OpReturnNavigator.java

@@ -60,11 +60,13 @@ public static Intent dashboardRebuild(Context ctx) {
                 .putExtra(SetupLibraryActivity.EXTRA_DASHBOARD_DETAIL, true);
     }
 
-    /** Rootfs / module install: LibraryActivity shows the rootfs progress (boot gate) and, when a
-     *  proot module queue is live, routes on to the install index (see {@link #forActiveOp}). */
+    /** Rootfs / module install: a bare LibraryActivity. It detects a live rootfs install itself
+     *  (InstallProgressRepository.isRunning -> the boot-gate progress) and, when a proot module queue
+     *  is live instead, its relaunch re-route ({@link #forActiveOp}) forwards to the install index.
+     *  Do NOT set EXTRA_INSTALLING here: it forces LibraryActivity.installing=true, which suppresses
+     *  that module re-route and would strand a module install's notification on the gate. */
     public static Intent install(Context ctx) {
-        return new Intent(ctx, LibraryActivity.class)
-                .putExtra(LibraryActivity.EXTRA_INSTALLING, true);
+        return new Intent(ctx, LibraryActivity.class);
     }
 
     /** Clone / share: the Connect/clone tab. */
@@ -73,12 +75,6 @@ public static Intent cloneShare(Context ctx) {
                 .putExtra(LibraryActivity.EXTRA_TAB, R.id.nav_clone);
     }
 
-    /** Home / Library -- where "Run in background" lands deliberately (not a back-stack pop). */
-    public static Intent home(Context ctx) {
-        return new Intent(ctx, LibraryActivity.class)
-                .putExtra(LibraryActivity.EXTRA_TAB, R.id.nav_library);
-    }
-
     /**
      * The live op's screen, chosen from the run-state repositories -- the single place that decides
      * "which op is running." Returns {@code null} when nothing tracked here is live (the caller keeps