Remove paste into folder functionality

We want to disallow pasting into a folder until we have a good way to
detect if the folder contains something we are pasting into it. The plan
is to in the future handle conflicts when pasting, then we will revise
the paste into folder situation.

Author: jelly

src/fileActions.jsx

@@ -508,16 +508,6 @@ export const fileActions = (path, selected, setSelected, clipboard, setClipboard
                 title: _("Copy"),
                 onClick: () => setClipboard([currentPath + selected[0].name]),
             },
-            ...(selected[0].type === "dir")
-                ? [
-                    {
-                        id: "paste-into-directory",
-                        title: _("Paste into directory"),
-                        onClick: () => spawnPaste(clipboard, [currentPath + selected[0].name]),
-                        isDisabled: clipboard.length === 0
-                    }
-                ]
-                : [],
             { type: "divider" },
             {
                 id: "edit-permissions",

test/check-application

@@ -938,19 +938,6 @@ class TestFiles(testlib.MachineCase):
         self.assertEqual(m.execute("head -n 1 /home/admin/newdir/newfile"), "test_text\n")
         b.click(".breadcrumb-button:nth-of-type(4)")
 
-        # Paste into directory
-        self.browser.wait_not_present(".pf-c-empty-state")
-        m.execute("runuser -u admin touch /home/admin/newfile2")
-        b.click("[data-item='newfile2']")
-        b.click("#dropdown-menu")
-        b.click("#copy-item")
-        b.click("[data-item='newdir']")
-        b.click("#dropdown-menu")
-        b.click("#paste-into-directory")
-        b.mouse("[data-item='newdir']", "dblclick")
-        b.wait_visible("[data-item='newfile2']")
-        b.click(".breadcrumb-button:nth-of-type(3)")
-
     @testlib.skipBrowser(".upload_files() doesn't work on Firefox", "firefox")
     @testlib.skipImage("Debian-testing has Cockpit 311 without new upload support in fsreplace1", "debian-testing")
     def testUpload(self):