Closes #2968: Specify the activity name in the share item

app/src/main/java/org/mozilla/fenix/share/AppShareView.kt

@@ -62,7 +62,8 @@ class AppShareAdapter(
                 ShareItem(
                     resolveInfo.loadLabel(context.packageManager).toString(),
                     resolveInfo.loadIcon(context.packageManager),
-                    resolveInfo.activityInfo.packageName
+                    resolveInfo.activityInfo.packageName,
+                    resolveInfo.activityInfo.name
                 )
             }
 
@@ -110,7 +111,7 @@ class AppShareItemViewHolder(
         itemView.setOnClickListener {
             Log.d("Jonathan", "${shareItem?.name} clicked.")
             shareItem?.let {
-                actionEmitter.onNext(ShareAction.ShareAppClicked(it.packageName))
+                actionEmitter.onNext(ShareAction.ShareAppClicked(it))
             }
         }
     }
@@ -126,4 +127,4 @@ class AppShareItemViewHolder(
     }
 }
 
-data class ShareItem(val name: String, val icon: Drawable, val packageName: String)
+data class ShareItem(val name: String, val icon: Drawable, val packageName: String, val activityName: String)

app/src/main/java/org/mozilla/fenix/share/ShareComponent.kt

@@ -25,7 +25,7 @@ sealed class ShareAction : Action {
     object AddNewDeviceClicked : ShareAction()
     data class ShareDeviceClicked(val device: Device) : ShareAction()
     data class SendAllClicked(val devices: List<Device>) : ShareAction()
-    data class ShareAppClicked(val packageName: String) : ShareAction()
+    data class ShareAppClicked(val item: ShareItem) : ShareAction()
 }
 
 class ShareComponent(

app/src/main/java/org/mozilla/fenix/share/ShareFragment.kt

@@ -126,7 +126,7 @@ class ShareFragment : AppCompatDialogFragment(), CoroutineScope {
                         putExtra(EXTRA_TEXT, shareText)
                         type = "text/plain"
                         flags = FLAG_ACTIVITY_NEW_TASK
-                        `package` = it.packageName
+                        setClassName(it.item.packageName, it.item.activityName)
                     }
                     startActivity(intent)
                     dismiss()