Revert "Removed a force conditional (#28851)" (#32282)

This reverts commit 07acc579db.

On closer examination of this code, the conditional that had force in it
was not a parent of this one.  So handling of force is needed i both
branches.

See the recent comments on #23391

lib/ansible/cli/galaxy.py

@@ -385,8 +385,9 @@ class GalaxyCLI(CLI):
                                         (role.name, role.install_info['version'], role.version or "unspecified"))
                         continue
                 else:
-                    display.display('- %s is already installed, skipping.' % str(role))
-                    continue
+                    if not force:
+                        display.display('- %s is already installed, skipping.' % str(role))
+                        continue
 
             try:
                 installed = role.install()