update Kotlin to 1.7.10 and fix some (new?) warnings (#2647)

* update Kotlin to 1.7.10 and fix some (new?) warnings

* remove unused import

app/src/main/java/com/keylesspalace/tusky/components/compose/ComposeTokenizer.kt

@@ -97,11 +97,11 @@ class ComposeTokenizer : MultiAutoCompleteTextView.Tokenizer {
         return if (i > 0 && text[i - 1] == ' ') {
             text
         } else if (text is Spanned) {
-            val s = SpannableString(text.toString() + " ")
+            val s = SpannableString("$text ")
             TextUtils.copySpansFrom(text, 0, text.length, Object::class.java, s, 0)
             s
         } else {
-            text.toString() + " "
+            "$text "
         }
     }
 }

app/src/main/java/com/keylesspalace/tusky/components/compose/dialog/AddPollDialog.kt

@@ -77,7 +77,7 @@ fun showAddPollDialog(
     }
 
     val pollDurationId = durations.indexOfLast {
-        it <= poll?.expiresIn ?: 0
+        it <= (poll?.expiresIn ?: 0)
     }
 
     binding.pollDurationSpinner.setSelection(pollDurationId)

app/src/main/java/com/keylesspalace/tusky/components/search/SearchViewModel.kt

@@ -191,10 +191,6 @@ class SearchViewModel @Inject constructor(
             .autoDispose()
     }
 
-    fun getAllAccountsOrderedByActive(): List<AccountEntity> {
-        return accountManager.getAllAccountsOrderedByActive()
-    }
-
     fun muteAccount(accountId: String, notifications: Boolean, duration: Int?) {
         timelineCases.mute(accountId, notifications, duration)
     }

app/src/main/java/com/keylesspalace/tusky/components/search/fragments/SearchStatusesFragment.kt

@@ -288,7 +288,7 @@ class SearchStatusesFragment : SearchFragment<StatusViewData.Concrete>(), Status
 
                     val stringToShare = statusToShare.account.username +
                         " - " +
-                        statusToShare.content.toString()
+                        statusToShare.content
                     sendIntent.putExtra(Intent.EXTRA_TEXT, stringToShare)
                     sendIntent.type = "text/plain"
                     startActivity(Intent.createChooser(sendIntent, resources.getText(R.string.send_post_content_to)))