fix(console): properly place cursor in multiline input (#1141)

Author: innocenzi

src/Tempest/Console/src/Components/Renderers/TextInputRenderer.php

@@ -43,8 +43,7 @@ public function render(
         $lines = str($buffer->text ?: ($placeholder ?: ''))
             ->explode("\n")
             ->flatMap(fn (string $line) => str($line)->chunk($this->maxLineCharacters)->toArray())
-            ->map(static fn (string $line) => str($line)->replaceEnd("\n", ' '))
-            ->filter(fn (ImmutableString $line) => $line->isNotEmpty());
+            ->map(static fn (string $line) => str($line)->replaceEnd("\n", ' '));
 
         // calculates scroll offset based on cursor position
         $this->scrollOffset = $this->calculateScrollOffset($lines, $this->maximumLines, $buffer->getRelativeCursorPosition($this->maxLineCharacters)->y);
@@ -53,7 +52,10 @@ public function render(
         $displayLines = $lines->slice($this->scrollOffset, $this->state->isFinished() ? 1 : $this->maximumLines);
 
         // if there is nothing to display after the component is done, show "no input"
-        if ($this->state->isFinished() && $lines->isEmpty()) {
+        // TODO(innocenzi): clean up
+        if ($this->state->isFinished() && $lines->filter(fn (ImmutableString $line) => $line->trim()->isNotEmpty())->isEmpty()) {
+            $displayLines = $displayLines->filter(fn (ImmutableString $line) => $line->trim()->isNotEmpty());
+
             $this->line($this->style('italic dim', 'No input.'))->newLine();
         }