fix(x11/cinnamon): guard remaining virtualKeyboardManager references in cinnamon

- it will fix the issue that was cauing this error
```
(cinnamon:9449): Cjs-CRITICAL **: 19:05:13.867: JS ERROR: TypeError:
Main.virtualKeyboardManager is undefined
_updateVisibility@/data/data/com.termux/files/usr/share/cinnamon/js/ui/ibusCandidatePopup.js:304:25
setPanelService/<@/data/data/com.termux/files/usr/share/cinnamon/js/ui/ibusCandidatePopup.js:248:18
```

Author: sabamdarif

x11-packages/cinnamon/0011-disable-virtualkeyboard.patch

@@ -1,8 +1,45 @@
+diff --git a/js/ui/ibusCandidatePopup.js b/js/ui/ibusCandidatePopup.js
+index c4048e3..7f0dedb 100644
+--- a/js/ui/ibusCandidatePopup.js
++++ b/js/ui/ibusCandidatePopup.js
+@@ -260,12 +260,12 @@ class IbusCandidatePopup extends BoxPointer.BoxPointer {
+             for (let i = 0; (indexLabel = lookupTable.get_label(i)); ++i)
+                 indexes.push(indexLabel.get_text());
+ 
+-            Main.virtualKeyboardManager.resetSuggestions();
++            if (Main.virtualKeyboardManager) Main.virtualKeyboardManager.resetSuggestions();
+ 
+             let candidates = [];
+             for (let i = startIndex; i < endIndex; ++i) {
+                 candidates.push(lookupTable.get_candidate(i).get_text());
+-                Main.virtualKeyboardManager.addSuggestion(lookupTable.get_candidate(i).get_text(), () => {
++                if (Main.virtualKeyboardManager) Main.virtualKeyboardManager.addSuggestion(lookupTable.get_candidate(i).get_text(), () => {
+                     let index = i;
+                     this._panelService.candidate_clicked(index, 1, 0);
+                 });
+@@ -288,7 +288,7 @@ class IbusCandidatePopup extends BoxPointer.BoxPointer {
+         });
+         panelService.connect('focus-out', () => {
+             this.close(BoxPointer.PopupAnimation.NONE);
+-            Main.virtualKeyboardManager.resetSuggestions();
++            if (Main.virtualKeyboardManager) Main.virtualKeyboardManager.resetSuggestions();
+         });
+     }
+ 
+@@ -301,7 +301,7 @@ class IbusCandidatePopup extends BoxPointer.BoxPointer {
+     }
+ 
+     _updateVisibility() {
+-        let isVisible = !Main.virtualKeyboardManager.visible &&
++        let isVisible = !(Main.virtualKeyboardManager && Main.virtualKeyboardManager.visible) &&
+                          (this._preeditText.visible ||
+                           this._auxText.visible ||
+                           this._candidateArea.visible);
 diff --git a/js/ui/main.js b/js/ui/main.js
-index 1b1069e..d640b53 100644
+index e5f8daa..1b9077e 100644
 --- a/js/ui/main.js
 +++ b/js/ui/main.js
-@@ -97,7 +97,7 @@ var AppletManager = imports.ui.appletManager;
+@@ -100,7 +100,7 @@ var AppletManager = imports.ui.appletManager;
  const SearchProviderManager = imports.ui.searchProviderManager;
  const DeskletManager = imports.ui.deskletManager;
  const ExtensionSystem = imports.ui.extensionSystem;
@@ -42,7 +79,7 @@ index 1b1069e..d640b53 100644
      Promise.all([
          AppletManager.init(),
 diff --git a/js/ui/popupMenu.js b/js/ui/popupMenu.js
-index a12bcbb..1262d6d 100644
+index 495a01f..3b48b76 100644
 --- a/js/ui/popupMenu.js
 +++ b/js/ui/popupMenu.js
 @@ -3667,7 +3667,7 @@ var PopupMenuManager = class PopupMenuManager {