LibGUI: Add some horizontal padding to multi-line IconView item titles

And don't use the padding from the item's text rect as extra space for
glyphs when breaking lines.

Libraries/LibGUI/IconView.cpp

@@ -465,11 +465,14 @@ void IconView::paint_event(PaintEvent& event)
             }
         }
 
+        // NOTE: This counteracts the inflate(6, ...) in get_text_rects().
+        auto available_width = item_data.text_rect.width() - 3;
+
         auto font = font_for_index(item_data.index);
         auto text_width = font->width(item_text.to_string());
         auto text = item_text.to_string();
 
-        if ((item_data.selected || m_hovered_index == item_data.index) && item_data.index != m_edit_index && text_width > item_data.text_rect.width()) {
+        if ((item_data.selected || m_hovered_index == item_data.index) && item_data.index != m_edit_index && text_width > available_width) {
             // Item text would not fit in the item text rect, let's break it up into lines..
 
             // FIXME: Maybe break this out into some kind of GUI::TextLayout class?
@@ -482,7 +485,7 @@ void IconView::paint_event(PaintEvent& event)
             for (; it != utf8_view.end(); ++it) {
                 auto codepoint = *it;
                 auto glyph_width = font->glyph_width(codepoint);
-                if (lines.size() < 1 && (current_line_width + glyph_width + font->glyph_spacing()) > item_data.text_rect.width()) {
+                if (lines.size() < 1 && (current_line_width + glyph_width + font->glyph_spacing()) > available_width) {
                     lines.append(text.substring_view(current_line_start, utf8_view.byte_offset_of(it) - current_line_start));
                     current_line_start = utf8_view.byte_offset_of(it);
                     current_line_width = glyph_width;
@@ -496,10 +499,11 @@ void IconView::paint_event(PaintEvent& event)
 
             for (size_t line_index = 0; line_index < lines.size(); ++line_index) {
                 Gfx::IntRect line_rect;
-                line_rect.set_width(min(item_data.text_rect.width(), font->width(lines[line_index])));
+                line_rect.set_width(min(available_width, font->width(lines[line_index])));
                 line_rect.set_height(item_data.text_rect.height());
                 line_rect.center_horizontally_within(item_data.text_rect);
                 line_rect.set_y(item_data.text_rect.y() + line_index * item_data.text_rect.height());
+                line_rect.inflate(6, 0);
                 painter.fill_rect(line_rect, background_color);
                 draw_item_text(painter, item_data.index, item_data.selected, line_rect, lines[line_index], font, Gfx::TextAlignment::Center, Gfx::TextElision::Right);
             }