refactor: remove vertical_offset for transient prompt

relates to #807

docs/docs/beta.mdx

@@ -123,8 +123,6 @@ The configuration has the following properties:
 - foreground: `string` [color][colors]
 - template: `string` - A go [text/template][go-text-template] template extended with [sprig][sprig] utilizing the
 properties below. Defaults to `{{ .Shell }}> <#f7dc66>{{ .Command }}</>`
-- vertical_offset: `int` - Move the prompt up or down x lines. For example `vertical_offset: 1` moves the prompt down one line, `vertical_offset: -1`
-moves it up one line. Useful when you have a multiline prompt. Defaults to `0`
 
 #### Template Properties
 

src/config.go

@@ -32,10 +32,9 @@ type Config struct {
 }
 
 type TransientPrompt struct {
-	Template       string `config:"template"`
-	Background     string `config:"background"`
-	Foreground     string `config:"foreground"`
-	VerticalOffset int    `config:"vertical_offset"`
+	Template   string `config:"template"`
+	Background string `config:"background"`
+	Foreground string `config:"foreground"`
 }
 
 const (

src/engine.go

@@ -232,8 +232,15 @@ func (e *engine) renderTransientPrompt(command string) string {
 	prompt := template.renderPlainContextTemplate(context)
 	e.colorWriter.write(e.config.TransientPrompt.Background, e.config.TransientPrompt.Foreground, prompt)
 	transientPrompt := e.ansi.carriageBackward()
-	if e.config.TransientPrompt.VerticalOffset != 0 {
-		transientPrompt += e.ansi.changeLine(e.config.TransientPrompt.VerticalOffset)
+	// calculate offset for multiline prompt
+	lineOffset := 0
+	for _, block := range e.config.Blocks {
+		if block.Newline {
+			lineOffset--
+		}
+	}
+	if lineOffset != 0 {
+		transientPrompt += e.ansi.changeLine(lineOffset)
 	}
 	return transientPrompt + e.colorWriter.string() + e.ansi.clearEOL
 }

themes/schema.json

@@ -1601,11 +1601,6 @@
           "title": "Transient Prompt Template",
           "default": "{{ .Shell }}> <#f7dc66>{{ .Command }}</>"
         },
-        "vertical_offset": {
-          "type": "integer",
-          "title": "Transient Prompt vertical offset",
-          "default": 0
-        },
         "background": { "$ref": "#/definitions/color" },
         "foreground": { "$ref": "#/definitions/color" }
       }