[Bug]:Resource view error - mime type handling for resource added via mcp server

[TS0713]

🐞 Bug Summary

Unable to view the resource when added via mcp server due to missing mime type handling.
Works fine when resource is added via mcpgateway UI - resource panel (mime type handled correctly)

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🧩 Affected Component

Select the area of the project impacted:

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🔁 Steps to Reproduce

<< app.py >>
`
from mcp.server.fastmcp import FastMCP

mcp = FastMCP("sample gateway",port="8200")

@mcp.resource("resource://hello",name="hello")
def get_hello_message() -> str:
"""Provides a simple 'Hello, World!' message."""
return "Hello, World!"

if name == "main":
mcp.run(transport="streamable-http")

`
Terminal

python -m app.py

🤔 Expected Behavior

What should have happened instead?

• should be able to view without any errors

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📓 Logs / Error Output

mcpgateway_pa/mcp-context-forge/mcpgateway/db.py", line 1944, in content
    raise ValueError("Resource has no content")
ValueError: Resource has no content

UI Error