Fixed attachments rendering with TextContainerInsets

Proton/Sources/Swift/Attachment/Attachment.swift

@@ -359,12 +359,13 @@ open class Attachment: NSTextAttachment, BoundsObserving {
         // incorrect width if bounds are calculated directly on `attributedText` instead of using `textView`.
         let lineFragmentPadding = containerEditorView.richTextView.textContainer.lineFragmentPadding
         // Account for text leading and trailing margins within the textContainer
+        let horizontalTextInsets = (containerEditorView.textContainerInset.left + containerEditorView.textContainerInset.right)
         let adjustedContainerSize = CGSize(
-            width: containerEditorView.bounds.size.width - (lineFragmentPadding * 2) - indent,
+            width: containerEditorView.bounds.size.width - (lineFragmentPadding * 2) - indent - horizontalTextInsets,
             height: containerEditorView.bounds.size.height
         )
         let adjustedLineFrag = CGRect(
-            x: lineFrag.origin.x,
+            x: lineFrag.origin.x + containerEditorView.textContainerInset.left,
             y: lineFrag.origin.y,
             width: min(lineFrag.size.width, adjustedContainerSize.width),
             height: lineFrag.height

Proton/Sources/Swift/Core/RichTextView.swift

@@ -309,6 +309,7 @@ class RichTextView: AutogrowingTextView {
         placeholderLabel.numberOfLines = 0
         placeholderLabel.lineBreakMode = .byTruncatingTail
 
+        placeholderLabel.removeFromSuperview()
         addSubview(placeholderLabel)
         placeholderLabel.attributedText = placeholderText
         NSLayoutConstraint.activate([

Proton/Sources/Swift/Editor/EditorView.swift

@@ -1197,14 +1197,17 @@ extension EditorView {
                 size = contentSize
             }
 
-            frame = CGRect(origin: frame.origin, size: size)
+            var adjustedOrigin = frame.origin
+            adjustedOrigin.x += textContainerInset.left
+            frame = CGRect(origin: adjustedOrigin, size: size)
 
             if attachment.isRendered == false {
                 attachment.render(in: self)
                 if !isSettingAttributedText, let focusable = attachment.contentView as? Focusable {
                     focusable.setFocus()
                 }
             }
+
             attachment.frame = frame
         }
     }

Proton/Tests/Editor/EditorSnapshotTests.swift

@@ -214,6 +214,33 @@ class EditorSnapshotTests: SnapshotTestCase {
         assertSnapshot(matching: viewController.view, as: .image, record: recordMode)
     }
 
+    func testRendersAttachmentWithTextContainerInset() {
+        let viewController = EditorTestViewController()
+        let editor = viewController.editor
+        let offsetProvider = MockAttachmentOffsetProvider()
+        offsetProvider.offset = CGPoint(x: 0, y: -4)
+
+        editor.font = UIFont.systemFont(ofSize: 12)
+        editor.textContainerInset = UIEdgeInsets(top: 20, left: 20, bottom: 20, right: 20)
+        var panel = PanelView()
+        panel.backgroundColor = .cyan
+        panel.layer.borderWidth = 1.0
+        panel.layer.cornerRadius = 4.0
+        panel.layer.borderColor = UIColor.black.cgColor
+
+        let attachment = Attachment(panel, size: .fullWidth)
+        panel.boundsObserver = attachment
+        panel.editor.font = editor.font
+
+        panel.attributedText = NSAttributedString(string: "In full-width attachment")
+
+        editor.replaceCharacters(in: .zero, with: "This text is in Editor")
+        editor.insertAttachment(in: editor.textEndRange, attachment: attachment)
+
+        viewController.render()
+        assertSnapshot(matching: viewController.view, as: .image, record: recordMode)
+    }
+
     func testDeletesAttachments() {
         let viewController = EditorTestViewController()
         let editor = viewController.editor