fix: Added disable signup form config

[ankitakinger]

Description

Added disable signup form config

Fixes #11007

Type of change

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Added env variable APPSMITH_SIGNUP_DISABLED with value false to check if it works as expected.

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

Test coverage results 🧪

🟢 Total coverage has increased

// Code coverage diff between base branch:release and head branch: hotfix/disable-signup-config 

Status	File	% Stmts	% Branch	% Funcs	% Lines
🟢	total	54.99 (0)	36.32 (0.01)	34.68 (0)	55.37 (0)
🟢	app/client/src/ce/configs/index.ts	95.24 (0)	86.67 (0.26)	100 (0)	97.3 (0)

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[github-actions]

Unable to find test scripts. Please add necessary tests to the PR.

[github-actions]

Unable to find test scripts. Please add necessary tests to the PR.

[ankitakinger]

/ok-to-test sha=1c8d804

[github-actions]

Tests running at: https://github.com/appsmithorg/appsmith/actions/runs/1813685501.
Workflow: Appsmith External Integration Test Workflow.
Commit: 1c8d804.
PR: 10942.

[github-actions]

UI Performance test run logs and artifacts: https://github.com/appsmithorg/appsmith/actions/runs/1813685501.
Commit: 1c8d804.
Results:

Click to view performance test results

	Run 1	Run 2	Run 3	Run 4	Run 5	Median	Mean	SD.Sample	SD.Population
Click on table row
scripting	2308.65	2219.52	2267.16	2238.63	2348.02	2267.16	2276.4	2.29	2.05
painting	9.76	8.84	19.62	13.4	14	13.4	13.12	32.47	29.04
rendering	334	267.76	280.42	310.69	281.82	281.82	294.94	9.12	8.16
Edit input
scripting	359.18	310.13	291.59	334.39	328.18	328.18	324.69	7.86	7.03
painting	43.41	9.29	5.16	16.94	34.85	16.94	21.93	75.42	67.44
rendering	18.93	16.36	14	20.73	15.14	16.36	17.03	16.21	14.50
Clear input
scripting	785.78	785.31	827.33	769.29	787.25	785.78	790.99	2.73	2.44
painting	11.63	5.97	8.19	6.8	9.83	8.19	8.48	27.00	24.17
rendering	196.27	193.09	207.99	225.46	204.95	204.95	205.55	6.17	5.52
Edit input again
scripting	303.09	310.26	309.93	326.14	334.95	310.26	316.87	4.16	3.72
painting	5.12	8.41	5.54	7.96	7.69	7.69	6.94	21.61	19.31
rendering	19.43	22.14	21.04	27.57	23.97	22.14	22.83	13.67	12.22

[ankitakinger]

/ok-to-test sha=1c8d804

[github-actions]

Tests running at: https://github.com/appsmithorg/appsmith/actions/runs/1813924569.
Workflow: Appsmith External Integration Test Workflow.
Commit: 1c8d804.
PR: 10942.

[ankitakinger]

/ok-to-test sha=1c8d804

[github-actions]

Tests running at: https://github.com/appsmithorg/appsmith/actions/runs/1816175556.
Workflow: Appsmith External Integration Test Workflow.
Commit: 1c8d804.
PR: 10942.

[github-actions]

UI Performance test run logs and artifacts: https://github.com/appsmithorg/appsmith/actions/runs/1816175556.
Commit: 1c8d804.
Results:

Click to view performance test results

	Run 1	Run 2	Run 3	Run 4	Run 5	Median	Mean	SD.Sample	SD.Population
Edit input
scripting	293.49	409.23	325.04	301.43	284.23	301.43	322.68	15.71	14.05
painting	7.2	9.5	24.87	5.25	4.48	7.2	10.26	81.77	73.20
rendering	15.75	23.76	16.91	13.82	15	15.75	17.05	22.99	20.53
Clear input
scripting	766.2	742.91	762.14	835.98	785.76	766.2	778.6	4.56	4.08
painting	24.54	6.97	7.26	13.44	11.08	11.08	12.66	56.64	50.71
rendering	186.51	196.02	186.35	191.01	193.43	191.01	190.66	2.23	1.99
Edit input again
scripting	319.37	295.42	308.64	266.98	290.69	295.42	296.22	6.70	6.00
painting	5.41	5.9	29.59	9.51	4.73	5.9	11.03	95.56	85.49
rendering	33.9	22.03	28.35	28.5	20.56	28.35	26.67	20.32	18.15
Click on table row
scripting	2184.35	2217.8	2910.48	2184.25	2213.28	2213.28	2342.03	13.58	12.15
painting	13.79	10.8	36.89	58.24	29.1	29.1	29.76	64.58	57.76
rendering	278.03	251.49	409.53	253.22	259.04	259.04	290.26	23.26	20.80

[sbalaji1192]

FE changes LGTM